56125003878440 has 32 divisors (see below), whose sum is σ = 144321438545280. Its totient is φ = 19242858472512.

The previous prime is 56125003878401. The next prime is 56125003878481. The reversal of 56125003878440 is 4487830052165.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100223220932 + ... + 100223221491.

It is an arithmetic number, because the mean of its divisors is an integer number (4510044954540).

Almost surely, 2^{56125003878440} is an apocalyptic number.

It is an amenable number.

56125003878440 is an abundant number, since it is smaller than the sum of its proper divisors (88196434666840).

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

56125003878440 is a wasteful number, since it uses less digits than its factorization.

56125003878440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200446442441 (or 200446442437 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 56125003878440 in words is "fifty-six trillion, one hundred twenty-five billion, three million, eight hundred seventy-eight thousand, four hundred forty".