551115610055 has 16 divisors (see below), whose sum is σ = 682737631488. Its totient is φ = 426629280000.

The previous prime is 551115610039. The next prime is 551115610057. The reversal of 551115610055 is 550016511155.

It is not a de Polignac number, because 551115610055 - 2⁴ = 551115610039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551115609997 and 551115610024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551115610057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506155 + ... + 1835955.

It is an arithmetic number, because the mean of its divisors is an integer number (42671101968).

Almost surely, 2^551115610055 is an apocalyptic number.

551115610055 is a deficient number, since it is larger than the sum of its proper divisors (131622021433).

551115610055 is a wasteful number, since it uses less digits than its factorization.

551115610055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340618.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 551115610055 in words is "five hundred fifty-one billion, one hundred fifteen million, six hundred ten thousand, fifty-five".