21888755000552 has 64 divisors (see below), whose sum is σ = 46720298188800. Its totient is φ = 9516602223040.

The previous prime is 21888755000491. The next prime is 21888755000627. The reversal of 21888755000552 is 25500055788812.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92757449 + ... + 92993127.

It is an arithmetic number, because the mean of its divisors is an integer number (730004659200).

Almost surely, 2^{21888755000552} is an apocalyptic number.

21888755000552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21888755000552 is an abundant number, since it is smaller than the sum of its proper divisors (24831543188248).

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

21888755000552 is a wasteful number, since it uses less digits than its factorization.

21888755000552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281606 (or 281602 counting only the distinct ones).

The product of its (nonzero) digits is 8960000, while the sum is 56.

The spelling of 21888755000552 in words is "twenty-one trillion, eight hundred eighty-eight billion, seven hundred fifty-five million, five hundred fifty-two", and thus it is an aban number.