11613610660531 has 8 divisors (see below), whose sum is σ = 12670423543728. Its totient is φ = 10556969460000.

The previous prime is 11613610660529. The next prime is 11613610660601. The reversal of 11613610660531 is 13506601631611.

It is a happy number.

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 11613610660531 - 2¹ = 11613610660529 is a prime.

It is a super-2 number, since 2×11613610660531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11613610660501) 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, 42779200 + ... + 43049821.

It is an arithmetic number, because the mean of its divisors is an integer number (1583802942966).

Almost surely, 2^{11613610660531} is an apocalyptic number.

11613610660531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11613610660531 is a deficient number, since it is larger than the sum of its proper divisors (1056812883197).

11613610660531 is a wasteful number, since it uses less digits than its factorization.

11613610660531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85841333.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 11613610660531 in words is "eleven trillion, six hundred thirteen billion, six hundred ten million, six hundred sixty thousand, five hundred thirty-one".