11621240314613 has 4 divisors (see below), whose sum is σ = 11666459148780. Its totient is φ = 11576021480448.

The previous prime is 11621240314603. The next prime is 11621240314721. The reversal of 11621240314613 is 31641304212611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11507142959524 + 114097355089 = 3392218^2 + 337783^2 .

It is a cyclic number.

It is not a de Polignac number, because 11621240314613 - 2¹⁶ = 11621240249077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621240314603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22609416698 + ... + 22609417211.

It is an arithmetic number, because the mean of its divisors is an integer number (2916614787195).

Almost surely, 2^{11621240314613} is an apocalyptic number.

It is an amenable number.

11621240314613 is a deficient number, since it is larger than the sum of its proper divisors (45218834167).

11621240314613 is an equidigital number, since it uses as much as digits as its factorization.

11621240314613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45218834166.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 11621240314613 in words is "eleven trillion, six hundred twenty-one billion, two hundred forty million, three hundred fourteen thousand, six hundred thirteen".