116145891045 has 12 divisors (see below), whose sum is σ = 201319544556. Its totient is φ = 61944475200.

The previous prime is 116145891041. The next prime is 116145891049. The reversal of 116145891045 is 540198541611.

116145891045 is a `hidden beast` number, since 1 + 1 + 6 + 14 + 589 + 10 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (116145891041) and next prime (116145891049).

It can be written as a sum of positive squares in 2 ways, for example, as 83544699681 + 32601191364 = 289041^2 + 180558^2 .

It is not a de Polignac number, because 116145891045 - 2² = 116145891041 is a prime.

It is a super-2 number, since 2×116145891045² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2581019801 = 116145891045 / (1 + 1 + 6 + 1 + 4 + 5 + 8 + 9 + 1 + 0 + 4 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116145891041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1290509856 + ... + 1290509945.

It is an arithmetic number, because the mean of its divisors is an integer number (16776628713).

Almost surely, 2^116145891045 is an apocalyptic number.

116145891045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116145891045 is a deficient number, since it is larger than the sum of its proper divisors (85173653511).

116145891045 is a wasteful number, since it uses less digits than its factorization.

116145891045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581019812 (or 2581019809 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 116145891045 in words is "one hundred sixteen billion, one hundred forty-five million, eight hundred ninety-one thousand, forty-five".