55631145112000 has 112 divisors (see below), whose sum is σ = 137775676383072. Its totient is φ = 22251626956800.

The previous prime is 55631145111911. The next prime is 55631145112027. The reversal of 55631145112000 is 21154113655.

It is a super-4 number, since 4×55631145112000⁴ (a number of 56 digits) contains 4444 as substring.

It is a congruent number.

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, 242389299 + ... + 242618701.

It is an arithmetic number, because the mean of its divisors is an integer number (1230139967706).

Almost surely, 2^{55631145112000} is an apocalyptic number.

55631145112000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55631145112000 is an abundant number, since it is smaller than the sum of its proper divisors (82144531271072).

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

55631145112000 is a wasteful number, since it uses less digits than its factorization.

55631145112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259743 (or 259723 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 55631145112000 its reverse (21154113655), we get a palindrome (55652299225655).

The spelling of 55631145112000 in words is "fifty-five trillion, six hundred thirty-one billion, one hundred forty-five million, one hundred twelve thousand".