125692445590 has 32 divisors (see below), whose sum is σ = 245126075040. Its totient is φ = 46219052544.

The previous prime is 125692445563. The next prime is 125692445657. The reversal of 125692445590 is 95544296521.

It is a super-2 number, since 2×125692445590² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8589985 + ... + 8604604.

It is an arithmetic number, because the mean of its divisors is an integer number (7660189845).

Almost surely, 2^125692445590 is an apocalyptic number.

125692445590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125692445590 is a deficient number, since it is larger than the sum of its proper divisors (119433629450).

125692445590 is a wasteful number, since it uses less digits than its factorization.

125692445590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17194656.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 125692445590 in words is "one hundred twenty-five billion, six hundred ninety-two million, four hundred forty-five thousand, five hundred ninety".