125040233556 has 72 divisors (see below), whose sum is σ = 380239321280. Its totient is φ = 33845475456.

The previous prime is 125040233519. The next prime is 125040233557. The reversal of 125040233556 is 655332040521.

125040233556 is a `hidden beast` number, since 12 + 50 + 40 + 2 + 3 + 3 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125040233556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125040233557) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13052881 + ... + 13062456.

Almost surely, 2^125040233556 is an apocalyptic number.

It is an amenable number.

125040233556 is an abundant number, since it is smaller than the sum of its proper divisors (255199087724).

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

125040233556 is a wasteful number, since it uses less digits than its factorization.

125040233556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26115373 (or 26115368 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 125040233556 in words is "one hundred twenty-five billion, forty million, two hundred thirty-three thousand, five hundred fifty-six".