1145734800081 has 4 divisors (see below), whose sum is σ = 1527646400112. Its totient is φ = 763823200052.

The previous prime is 1145734800079. The next prime is 1145734800107. The reversal of 1145734800081 is 1800084375411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1145734800081 - 2¹ = 1145734800079 is a prime.

It is a super-2 number, since 2×1145734800081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145734802081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190955800011 + ... + 190955800016.

It is an arithmetic number, because the mean of its divisors is an integer number (381911600028).

Almost surely, 2^{1145734800081} is an apocalyptic number.

It is an amenable number.

1145734800081 is a deficient number, since it is larger than the sum of its proper divisors (381911600031).

1145734800081 is an equidigital number, since it uses as much as digits as its factorization.

1145734800081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381911600030.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 1145734800081 in words is "one trillion, one hundred forty-five billion, seven hundred thirty-four million, eight hundred thousand, eighty-one".