13115660263140 has 96 divisors (see below), whose sum is σ = 38442411786240. Its totient is φ = 3337014844800.

The previous prime is 13115660263103. The next prime is 13115660263163. The reversal of 13115660263140 is 4136206651131.

It is a super-2 number, since 2×13115660263140² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49525900 + ... + 49790019.

It is an arithmetic number, because the mean of its divisors is an integer number (400441789440).

Almost surely, 2^{13115660263140} is an apocalyptic number.

13115660263140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13115660263140 is an abundant number, since it is smaller than the sum of its proper divisors (25326751523100).

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

13115660263140 is a wasteful number, since it uses less digits than its factorization.

13115660263140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99316033 (or 99316031 counting only the distinct ones).

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

The spelling of 13115660263140 in words is "thirteen trillion, one hundred fifteen billion, six hundred sixty million, two hundred sixty-three thousand, one hundred forty".