11616620340531 has 8 divisors (see below), whose sum is σ = 15488846262720. Its totient is φ = 7744403989352.

The previous prime is 11616620340529. The next prime is 11616620340569. The reversal of 11616620340531 is 13504302661611.

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 11616620340531 - 2¹ = 11616620340529 is a prime.

It is a super-2 number, since 2×11616620340531² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11616620340531.

It is not an unprimeable number, because it can be changed into a prime (11616620340331) 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, 1217440 + ... + 4971458.

It is an arithmetic number, because the mean of its divisors is an integer number (1936105782840).

Almost surely, 2^{11616620340531} is an apocalyptic number.

11616620340531 is a deficient number, since it is larger than the sum of its proper divisors (3872225922189).

11616620340531 is a wasteful number, since it uses less digits than its factorization.

11616620340531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785505.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 11616620340531 in words is "eleven trillion, six hundred sixteen billion, six hundred twenty million, three hundred forty thousand, five hundred thirty-one".