21560026152 has 64 divisors (see below), whose sum is σ = 62443946880. Its totient is φ = 6075620352.

The previous prime is 21560026109. The next prime is 21560026153. The reversal of 21560026152 is 25162006512.

It is not an unprimeable number, because it can be changed into a prime (21560026153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866733 + ... + 891260.

It is an arithmetic number, because the mean of its divisors is an integer number (975686670).

Almost surely, 2^21560026152 is an apocalyptic number.

It is an amenable number.

21560026152 is an abundant number, since it is smaller than the sum of its proper divisors (40883920728).

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

21560026152 is a wasteful number, since it uses less digits than its factorization.

21560026152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758082 (or 1758078 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 21560026152 in words is "twenty-one billion, five hundred sixty million, twenty-six thousand, one hundred fifty-two".