45197717525 has 12 divisors (see below), whose sum is σ = 56568959712. Its totient is φ = 35820245040.

The previous prime is 45197717491. The next prime is 45197717563. The reversal of 45197717525 is 52571779154.

45197717525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45197717525 - 2⁸ = 45197717269 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8445497 + ... + 8450846.

It is an arithmetic number, because the mean of its divisors is an integer number (4714079976).

Almost surely, 2^45197717525 is an apocalyptic number.

It is an amenable number.

45197717525 is a deficient number, since it is larger than the sum of its proper divisors (11371242187).

45197717525 is a wasteful number, since it uses less digits than its factorization.

45197717525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16896460 (or 16896455 counting only the distinct ones).

The product of its digits is 3087000, while the sum is 53.

The spelling of 45197717525 in words is "forty-five billion, one hundred ninety-seven million, seven hundred seventeen thousand, five hundred twenty-five".