551501828105155 has 16 divisors (see below), whose sum is σ = 671853930029568. Its totient is φ = 434546046640000.

The previous prime is 551501828105143. The next prime is 551501828105171.

551501828105155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551501828105155 - 2²⁷ = 551501693887427 is a prime.

It is a Duffinian number.

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, 2858759116 + ... + 2858952025.

It is an arithmetic number, because the mean of its divisors is an integer number (41990870626848).

Almost surely, 2^{551501828105155} is an apocalyptic number.

551501828105155 is a deficient number, since it is larger than the sum of its proper divisors (120352101924413).

551501828105155 is a wasteful number, since it uses less digits than its factorization.

551501828105155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717711438.

The product of its (nonzero) digits is 2000000, while the sum is 52.

The spelling of 551501828105155 in words is "five hundred fifty-one trillion, five hundred one billion, eight hundred twenty-eight million, one hundred five thousand, one hundred fifty-five".