21514422205554 has 24 divisors (see below), whose sum is σ = 44461646734320. Its totient is φ = 6940136193480.

The previous prime is 21514422205489. The next prime is 21514422205583. The reversal of 21514422205554 is 45550222441512.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1865622244 + ... + 1865633775.

It is an arithmetic number, because the mean of its divisors is an integer number (1852568613930).

Almost surely, 2^{21514422205554} is an apocalyptic number.

21514422205554 is an abundant number, since it is smaller than the sum of its proper divisors (22947224528766).

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

21514422205554 is a wasteful number, since it uses less digits than its factorization.

21514422205554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731256086 (or 3731256055 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 42.

The spelling of 21514422205554 in words is "twenty-one trillion, five hundred fourteen billion, four hundred twenty-two million, two hundred five thousand, five hundred fifty-four".