21360156141415 has 64 divisors (see below), whose sum is σ = 33501567052800. Its totient is φ = 12695329511424.

The previous prime is 21360156141383. The next prime is 21360156141431. The reversal of 21360156141415 is 51414165106312.

It is not a de Polignac number, because 21360156141415 - 2⁵ = 21360156141383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9955905 + ... + 11909674.

It is an arithmetic number, because the mean of its divisors is an integer number (523461985200).

Almost surely, 2^{21360156141415} is an apocalyptic number.

21360156141415 is a deficient number, since it is larger than the sum of its proper divisors (12141410911385).

21360156141415 is a wasteful number, since it uses less digits than its factorization.

21360156141415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21865736.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 21360156141415 in words is "twenty-one trillion, three hundred sixty billion, one hundred fifty-six million, one hundred forty-one thousand, four hundred fifteen".