5556172839475 has 12 divisors (see below), whose sum is σ = 6889686108256. Its totient is φ = 4444917763680.

The previous prime is 5556172839449. The next prime is 5556172839487. The reversal of 5556172839475 is 5749382716555.

It is a happy number.

It is not a de Polignac number, because 5556172839475 - 2¹³ = 5556172831283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5556172839475.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7422214 + ... + 8136436.

Almost surely, 2^{5556172839475} is an apocalyptic number.

5556172839475 is a deficient number, since it is larger than the sum of its proper divisors (1333513268781).

5556172839475 is a wasteful number, since it uses less digits than its factorization.

5556172839475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025406 (or 1025401 counting only the distinct ones).

The product of its digits is 317520000, while the sum is 67.

The spelling of 5556172839475 in words is "five trillion, five hundred fifty-six billion, one hundred seventy-two million, eight hundred thirty-nine thousand, four hundred seventy-five".