551055015156 has 96 divisors (see below), whose sum is σ = 1328396509440. Its totient is φ = 177661209600.

The previous prime is 551055015151. The next prime is 551055015179. The reversal of 551055015156 is 651510550155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551055015151) 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 31 ways as a sum of consecutive naturals, for example, 54766366 + ... + 54776426.

It is an arithmetic number, because the mean of its divisors is an integer number (13837463640).

Almost surely, 2^551055015156 is an apocalyptic number.

It is an amenable number.

551055015156 is an abundant number, since it is smaller than the sum of its proper divisors (777341494284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551055015156 is a wasteful number, since it uses less digits than its factorization.

551055015156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10825 (or 10823 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 551055015156 in words is "five hundred fifty-one billion, fifty-five million, fifteen thousand, one hundred fifty-six".