5551055511555 has 32 divisors (see below), whose sum is σ = 9222110107200. Its totient is φ = 2847848202752.

The previous prime is 5551055511541. The next prime is 5551055511623. The reversal of 5551055511555 is 5551155501555.

It is a cyclic number.

It is not a de Polignac number, because 5551055511555 - 2⁸ = 5551055511299 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, 23602404 + ... + 23836433.

It is an arithmetic number, because the mean of its divisors is an integer number (288190940850).

Almost surely, 2^{5551055511555} is an apocalyptic number.

5551055511555 is a deficient number, since it is larger than the sum of its proper divisors (3671054595645).

5551055511555 is a wasteful number, since it uses less digits than its factorization.

5551055511555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47439143.

The product of its (nonzero) digits is 1953125, while the sum is 48.

The spelling of 5551055511555 in words is "five trillion, five hundred fifty-one billion, fifty-five million, five hundred eleven thousand, five hundred fifty-five".