125690233590 has 72 divisors (see below), whose sum is σ = 330000680880. Its totient is φ = 33191731872.

The previous prime is 125690233589. The next prime is 125690233597. The reversal of 125690233590 is 95332096521.

125690233590 is a `hidden beast` number, since 1 + 2 + 56 + 9 + 0 + 2 + 3 + 3 + 590 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125690233597) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 888991 + ... + 1020629.

It is an arithmetic number, because the mean of its divisors is an integer number (4583342790).

Almost surely, 2^125690233590 is an apocalyptic number.

125690233590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125690233590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165000340440).

125690233590 is an abundant number, since it is smaller than the sum of its proper divisors (204310447290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125690233590 is a wasteful number, since it uses less digits than its factorization.

125690233590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131858 (or 131752 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 125690233590 in words is "one hundred twenty-five billion, six hundred ninety million, two hundred thirty-three thousand, five hundred ninety".