125854344537 has 8 divisors (see below), whose sum is σ = 168013219680. Its totient is φ = 83799182880.

The previous prime is 125854344523. The next prime is 125854344599. The reversal of 125854344537 is 735443458521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125854344537 - 2⁸ = 125854344281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125854344537.

It is not an unprimeable number, because it can be changed into a prime (125854344037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25925539 + ... + 25930392.

It is an arithmetic number, because the mean of its divisors is an integer number (21001652460).

Almost surely, 2^125854344537 is an apocalyptic number.

It is an amenable number.

125854344537 is a deficient number, since it is larger than the sum of its proper divisors (42158875143).

125854344537 is an equidigital number, since it uses as much as digits as its factorization.

125854344537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51856743.

The product of its digits is 8064000, while the sum is 51.

The spelling of 125854344537 in words is "one hundred twenty-five billion, eight hundred fifty-four million, three hundred forty-four thousand, five hundred thirty-seven".