551161136112 has 40 divisors (see below), whose sum is σ = 1498771512960. Its totient is φ = 174050884800.

The previous prime is 551161136087. The next prime is 551161136137. The reversal of 551161136112 is 211631161155.

It is an interprime number because it is at equal distance from previous prime (551161136087) and next prime (551161136137).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302170764 + ... + 302172587.

It is an arithmetic number, because the mean of its divisors is an integer number (37469287824).

Almost surely, 2^551161136112 is an apocalyptic number.

It is an amenable number.

551161136112 is an abundant number, since it is smaller than the sum of its proper divisors (947610376848).

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

551161136112 is a wasteful number, since it uses less digits than its factorization.

551161136112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604343381 (or 604343375 counting only the distinct ones).

The product of its digits is 5400, while the sum is 33.

Adding to 551161136112 its reverse (211631161155), we get a palindrome (762792297267).

The spelling of 551161136112 in words is "five hundred fifty-one billion, one hundred sixty-one million, one hundred thirty-six thousand, one hundred twelve".