12616536742251 has 16 divisors (see below), whose sum is σ = 18116272720896. Its totient is φ = 7763928340896.

The previous prime is 12616536742217. The next prime is 12616536742283. The reversal of 12616536742251 is 15224763561621.

12616536742251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12616536742251 - 2⁷ = 12616536742123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12616536742194 and 12616536742203.

It is not an unprimeable number, because it can be changed into a prime (12616536742151) 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, 1360486 + ... + 5204228.

It is an arithmetic number, because the mean of its divisors is an integer number (1132267045056).

Almost surely, 2^{12616536742251} is an apocalyptic number.

12616536742251 is a deficient number, since it is larger than the sum of its proper divisors (5499735978645).

12616536742251 is a wasteful number, since it uses less digits than its factorization.

12616536742251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927922.

The product of its digits is 3628800, while the sum is 51.

The spelling of 12616536742251 in words is "twelve trillion, six hundred sixteen billion, five hundred thirty-six million, seven hundred forty-two thousand, two hundred fifty-one".