3113607620521 has 8 divisors (see below), whose sum is σ = 3263724836064. Its totient is φ = 2967022574880.

The previous prime is 3113607620483. The next prime is 3113607620561. The reversal of 3113607620521 is 1250267063113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3113607620521 - 2⁷ = 3113607620393 is a prime.

It is a super-2 number, since 2×3113607620521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113607620561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883040671 + ... + 883044196.

It is an arithmetic number, because the mean of its divisors is an integer number (407965604508).

Almost surely, 2^{3113607620521} is an apocalyptic number.

It is an amenable number.

3113607620521 is a deficient number, since it is larger than the sum of its proper divisors (150117215543).

3113607620521 is a wasteful number, since it uses less digits than its factorization.

3113607620521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766084951.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 3113607620521 in words is "three trillion, one hundred thirteen billion, six hundred seven million, six hundred twenty thousand, five hundred twenty-one".