11613631460521 has 2 divisors, whose sum is σ = 11613631460522. Its totient is φ = 11613631460520.

The previous prime is 11613631460503. The next prime is 11613631460591. The reversal of 11613631460521 is 12506413631611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5993981924121 + 5619649536400 = 2448261^2 + 2370580^2 .

It is a cyclic number.

It is not a de Polignac number, because 11613631460521 - 2²⁷ = 11613497242793 is a prime.

It is not a weakly prime, because it can be changed into another prime (11613631460591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5806815730260 + 5806815730261.

It is an arithmetic number, because the mean of its divisors is an integer number (5806815730261).

Almost surely, 2^{11613631460521} is an apocalyptic number.

It is an amenable number.

11613631460521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11613631460521 is an equidigital number, since it uses as much as digits as its factorization.

11613631460521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 11613631460521 in words is "eleven trillion, six hundred thirteen billion, six hundred thirty-one million, four hundred sixty thousand, five hundred twenty-one".