5551880881555 has 8 divisors (see below), whose sum is σ = 6951920408352. Its totient is φ = 4248395804928.

The previous prime is 5551880881543. The next prime is 5551880881567.

5551880881555 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (5551880881543) and next prime (5551880881567).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5551880881555 - 2²⁵ = 5551847327123 is a prime.

It is a Duffinian 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, 24138612414 + ... + 24138612643.

It is an arithmetic number, because the mean of its divisors is an integer number (868990051044).

Almost surely, 2^{5551880881555} is an apocalyptic number.

5551880881555 is a deficient number, since it is larger than the sum of its proper divisors (1400039526797).

5551880881555 is a wasteful number, since it uses less digits than its factorization.

5551880881555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48277225085.

The product of its (nonzero) digits is 64000000, while the sum is 64.

The spelling of 5551880881555 in words is "five trillion, five hundred fifty-one billion, eight hundred eighty million, eight hundred eighty-one thousand, five hundred fifty-five".