21652600412113 has 16 divisors (see below), whose sum is σ = 23763514574592. Its totient is φ = 19565608320000.

The previous prime is 21652600412059. The next prime is 21652600412123. The reversal of 21652600412113 is 31121400625612.

It is a cyclic number.

It is not a de Polignac number, because 21652600412113 - 2³⁷ = 21515161458641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21652600412123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1810713 + ... + 6825238.

It is an arithmetic number, because the mean of its divisors is an integer number (1485219660912).

Almost surely, 2^{21652600412113} is an apocalyptic number.

It is an amenable number.

21652600412113 is a deficient number, since it is larger than the sum of its proper divisors (2110914162479).

21652600412113 is a wasteful number, since it uses less digits than its factorization.

21652600412113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637336.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 21652600412113 in words is "twenty-one trillion, six hundred fifty-two billion, six hundred million, four hundred twelve thousand, one hundred thirteen".