551838887115 has 16 divisors (see below), whose sum is σ = 884090407200. Its totient is φ = 293931343872.

The previous prime is 551838887071. The next prime is 551838887123. The reversal of 551838887115 is 511788838155.

It is a happy number.

It is not a de Polignac number, because 551838887115 - 2¹⁷ = 551838756043 is a prime.

It is an unprimeable number.

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, 23908660 + ... + 23931729.

It is an arithmetic number, because the mean of its divisors is an integer number (55255650450).

Almost surely, 2^551838887115 is an apocalyptic number.

551838887115 is a deficient number, since it is larger than the sum of its proper divisors (332251520085).

551838887115 is a wasteful number, since it uses less digits than its factorization.

551838887115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47841166.

The product of its digits is 10752000, while the sum is 60.

The spelling of 551838887115 in words is "five hundred fifty-one billion, eight hundred thirty-eight million, eight hundred eighty-seven thousand, one hundred fifteen".