7125400056 has 32 divisors (see below), whose sum is σ = 17825063760. Its totient is φ = 2373591552.

The previous prime is 7125400039. The next prime is 7125400081. The reversal of 7125400056 is 6500045217.

It is a junction number, because it is equal to n+sod(n) for n = 7125399996 and 7125400032.

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 7 ways as a sum of consecutive naturals, for example, 58315 + ... + 132858.

Almost surely, 2^7125400056 is an apocalyptic number.

It is an amenable number.

7125400056 is an abundant number, since it is smaller than the sum of its proper divisors (10699663704).

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

7125400056 is a wasteful number, since it uses less digits than its factorization.

7125400056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192735 (or 192731 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 7125400056 is about 84412.0847746340. The cubic root of 7125400056 is about 1924.2865793730.

The spelling of 7125400056 in words is "seven billion, one hundred twenty-five million, four hundred thousand, fifty-six".