5156506555004 has 24 divisors (see below), whose sum is σ = 10313850284640. Its totient is φ = 2209751986176.

The previous prime is 5156506554931. The next prime is 5156506555043. The reversal of 5156506555004 is 4005556056515.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5156506555004.

It is a congruent number.

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, 7123397 + ... + 7813820.

It is an arithmetic number, because the mean of its divisors is an integer number (429743761860).

Almost surely, 2^{5156506555004} is an apocalyptic number.

It is an amenable number.

5156506555004 is an abundant number, since it is smaller than the sum of its proper divisors (5157343729636).

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

5156506555004 is a wasteful number, since it uses less digits than its factorization.

5156506555004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14949557 (or 14949555 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 47.

The spelling of 5156506555004 in words is "five trillion, one hundred fifty-six billion, five hundred six million, five hundred fifty-five thousand, four".