5551376731555 has 16 divisors (see below), whose sum is σ = 6731374873824. Its totient is φ = 4394668748800.

The previous prime is 5551376731519. The next prime is 5551376731577.

5551376731555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5551376731555 - 2¹⁵ = 5551376698787 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 5551376731555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173342 + ... + 3978211.

It is an arithmetic number, because the mean of its divisors is an integer number (420710929614).

Almost surely, 2^{5551376731555} is an apocalyptic number.

5551376731555 is a deficient number, since it is larger than the sum of its proper divisors (1179998142269).

5551376731555 is a wasteful number, since it uses less digits than its factorization.

5551376731555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153446.

The product of its digits is 41343750, while the sum is 58.

The spelling of 5551376731555 in words is "five trillion, five hundred fifty-one billion, three hundred seventy-six million, seven hundred thirty-one thousand, five hundred fifty-five".