11515663510313 has 8 divisors (see below), whose sum is σ = 11608812997056. Its totient is φ = 11422593473200.

The previous prime is 11515663510277. The next prime is 11515663510399. The reversal of 11515663510313 is 31301536651511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11515663510313 is a prime.

It is a super-2 number, since 2×11515663510313² (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 (11515663510513) 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, 19571333 + ... + 20151138.

It is an arithmetic number, because the mean of its divisors is an integer number (1451101624632).

Almost surely, 2^{11515663510313} is an apocalyptic number.

It is an amenable number.

11515663510313 is a deficient number, since it is larger than the sum of its proper divisors (93149486743).

11515663510313 is a wasteful number, since it uses less digits than its factorization.

11515663510313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39724815.

The product of its (nonzero) digits is 121500, while the sum is 41.

The spelling of 11515663510313 in words is "eleven trillion, five hundred fifteen billion, six hundred sixty-three million, five hundred ten thousand, three hundred thirteen".