21562770114 has 48 divisors (see below), whose sum is σ = 49602578688. Its totient is φ = 6746322816.

The previous prime is 21562770109. The next prime is 21562770133. The reversal of 21562770114 is 41107726512.

21562770114 is a `hidden beast` number, since 2 + 15 + 627 + 7 + 0 + 1 + 14 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16299 + ... + 208305.

It is an arithmetic number, because the mean of its divisors is an integer number (1033387056).

Almost surely, 2^21562770114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21562770114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24801289344).

21562770114 is an abundant number, since it is smaller than the sum of its proper divisors (28039808574).

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

21562770114 is a wasteful number, since it uses less digits than its factorization.

21562770114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192399 (or 192396 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 21562770114 in words is "twenty-one billion, five hundred sixty-two million, seven hundred seventy thousand, one hundred fourteen".