5556111110555 has 32 divisors (see below), whose sum is σ = 7203747225600. Its totient is φ = 4101245672832.

The previous prime is 5556111110533. The next prime is 5556111110597. The reversal of 5556111110555 is 5550111116555.

It is a cyclic number.

It is not a de Polignac number, because 5556111110555 - 2¹² = 5556111106459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2858816 + ... + 4391474.

It is an arithmetic number, because the mean of its divisors is an integer number (225117100800).

Almost surely, 2^{5556111110555} is an apocalyptic number.

5556111110555 is a deficient number, since it is larger than the sum of its proper divisors (1647636115045).

5556111110555 is a wasteful number, since it uses less digits than its factorization.

5556111110555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533803.

The product of its (nonzero) digits is 93750, while the sum is 41.

The spelling of 5556111110555 in words is "five trillion, five hundred fifty-six billion, one hundred eleven million, one hundred ten thousand, five hundred fifty-five".