56117278395 has 24 divisors (see below), whose sum is σ = 97278803856. Its totient is φ = 29926490688.

The previous prime is 56117278367. The next prime is 56117278403. The reversal of 56117278395 is 59387271165.

56117278395 is a `hidden beast` number, since 561 + 1 + 7 + 2 + 78 + 3 + 9 + 5 = 666.

It is not a de Polignac number, because 56117278395 - 2¹² = 56117274299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503937 + ... + 605133.

It is an arithmetic number, because the mean of its divisors is an integer number (4053283494).

Almost surely, 2^56117278395 is an apocalyptic number.

56117278395 is a deficient number, since it is larger than the sum of its proper divisors (41161525461).

56117278395 is a wasteful number, since it uses less digits than its factorization.

56117278395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113531 (or 113528 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The spelling of 56117278395 in words is "fifty-six billion, one hundred seventeen million, two hundred seventy-eight thousand, three hundred ninety-five".