556216711215 has 64 divisors (see below), whose sum is σ = 987582136320. Its totient is φ = 265035853440.

The previous prime is 556216711213. The next prime is 556216711223. The reversal of 556216711215 is 512117612655.

It is a happy number.

It is not a de Polignac number, because 556216711215 - 2¹ = 556216711213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556216711213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52631862 + ... + 52642428.

It is an arithmetic number, because the mean of its divisors is an integer number (15430970880).

Almost surely, 2^556216711215 is an apocalyptic number.

556216711215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556216711215 is a deficient number, since it is larger than the sum of its proper divisors (431365425105).

556216711215 is a wasteful number, since it uses less digits than its factorization.

556216711215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052.

The product of its digits is 126000, while the sum is 42.

The spelling of 556216711215 in words is "five hundred fifty-six billion, two hundred sixteen million, seven hundred eleven thousand, two hundred fifteen".