21514231601627 has 16 divisors (see below), whose sum is σ = 22673098605600. Its totient is φ = 20358022717440.

The previous prime is 21514231601623. The next prime is 21514231601633. The reversal of 21514231601627 is 72610613241512.

It is a cyclic number.

It is not a de Polignac number, because 21514231601627 - 2² = 21514231601623 is a prime.

It is a super-2 number, since 2×21514231601627² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21514231601623) 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, 205705427 + ... + 205809987.

It is an arithmetic number, because the mean of its divisors is an integer number (1417068662850).

Almost surely, 2^{21514231601627} is an apocalyptic number.

21514231601627 is a deficient number, since it is larger than the sum of its proper divisors (1158867003973).

21514231601627 is a wasteful number, since it uses less digits than its factorization.

21514231601627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117166.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 21514231601627 in words is "twenty-one trillion, five hundred fourteen billion, two hundred thirty-one million, six hundred one thousand, six hundred twenty-seven".