5517780877155 has 48 divisors (see below), whose sum is σ = 9518293624320. Its totient is φ = 2728370523648.

The previous prime is 5517780877069. The next prime is 5517780877183.

5517780877155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5517780877155 - 2⁸ = 5517780876899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9208395 + ... + 9789284.

It is an arithmetic number, because the mean of its divisors is an integer number (198297783840).

Almost surely, 2^{5517780877155} is an apocalyptic number.

5517780877155 is a deficient number, since it is larger than the sum of its proper divisors (4000512747165).

5517780877155 is a wasteful number, since it uses less digits than its factorization.

5517780877155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18997788 (or 18997771 counting only the distinct ones).

The product of its (nonzero) digits is 96040000, while the sum is 66.

The spelling of 5517780877155 in words is "five trillion, five hundred seventeen billion, seven hundred eighty million, eight hundred seventy-seven thousand, one hundred fifty-five".