11616600616520 has 16 divisors (see below), whose sum is σ = 26137351387260. Its totient is φ = 4646640246592.

The previous prime is 11616600616499. The next prime is 11616600616591. The reversal of 11616600616520 is 2561600661611.

It can be written as a sum of positive squares in 2 ways, for example, as 9355144069924 + 2261456546596 = 3058618^2 + 1503814^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145207507667 + ... + 145207507746.

Almost surely, 2^{11616600616520} is an apocalyptic number.

11616600616520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11616600616520 is an abundant number, since it is smaller than the sum of its proper divisors (14520750770740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11616600616520 is a wasteful number, since it uses less digits than its factorization.

11616600616520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290415015424 (or 290415015420 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 11616600616520 in words is "eleven trillion, six hundred sixteen billion, six hundred million, six hundred sixteen thousand, five hundred twenty".