11613135121535 has 16 divisors (see below), whose sum is σ = 14385425478912. Its totient is φ = 8990737651200.

The previous prime is 11613135121501. The next prime is 11613135121573. The reversal of 11613135121535 is 53512153131611.

It is not a de Polignac number, because 11613135121535 - 2¹² = 11613135117439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23764055 + ... + 24247815.

It is an arithmetic number, because the mean of its divisors is an integer number (899089092432).

Almost surely, 2^{11613135121535} is an apocalyptic number.

11613135121535 is a deficient number, since it is larger than the sum of its proper divisors (2772290357377).

11613135121535 is a wasteful number, since it uses less digits than its factorization.

11613135121535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638674.

The product of its digits is 40500, while the sum is 38.

The spelling of 11613135121535 in words is "eleven trillion, six hundred thirteen billion, one hundred thirty-five million, one hundred twenty-one thousand, five hundred thirty-five".