45110970891 has 72 divisors (see below), whose sum is σ = 81456233040. Its totient is φ = 23898986496.

The previous prime is 45110970871. The next prime is 45110970899. The reversal of 45110970891 is 19807901154.

It is a happy number.

45110970891 is a `hidden beast` number, since 451 + 109 + 7 + 0 + 8 + 91 = 666.

It is not a de Polignac number, because 45110970891 - 2¹⁵ = 45110938123 is a prime.

It is a super-3 number, since 3×45110970891³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45110970899) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 457395 + ... + 547203.

It is an arithmetic number, because the mean of its divisors is an integer number (1131336570).

Almost surely, 2^45110970891 is an apocalyptic number.

45110970891 is a deficient number, since it is larger than the sum of its proper divisors (36345262149).

45110970891 is a wasteful number, since it uses less digits than its factorization.

45110970891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89913 (or 89903 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The spelling of 45110970891 in words is "forty-five billion, one hundred ten million, nine hundred seventy thousand, eight hundred ninety-one".