21365627214051 has 48 divisors (see below), whose sum is σ = 31464200083680. Its totient is φ = 13968313712640.

The previous prime is 21365627214049. The next prime is 21365627214053. The reversal of 21365627214051 is 15041272656312.

21365627214051 is a `hidden beast` number, since 2 + 1 + 3 + 6 + 5 + 627 + 2 + 14 + 0 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (21365627214049) and next prime (21365627214053).

It is not a de Polignac number, because 21365627214051 - 2¹ = 21365627214049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21365627213988 and 21365627214006.

It is not an unprimeable number, because it can be changed into a prime (21365627214053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383618116 + ... + 383673806.

It is an arithmetic number, because the mean of its divisors is an integer number (655504168410).

Almost surely, 2^{21365627214051} is an apocalyptic number.

21365627214051 is a deficient number, since it is larger than the sum of its proper divisors (10098572869629).

21365627214051 is a wasteful number, since it uses less digits than its factorization.

21365627214051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59796 (or 59793 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 21365627214051 in words is "twenty-one trillion, three hundred sixty-five billion, six hundred twenty-seven million, two hundred fourteen thousand, fifty-one".