11601510115 has 16 divisors (see below), whose sum is σ = 14996143008. Its totient is φ = 8565313536.

The previous prime is 11601510083. The next prime is 11601510169. The reversal of 11601510115 is 51101510611.

It is not a de Polignac number, because 11601510115 - 2⁵ = 11601510083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306672 + ... + 342418.

It is an arithmetic number, because the mean of its divisors is an integer number (937258938).

Almost surely, 2^11601510115 is an apocalyptic number.

11601510115 is a deficient number, since it is larger than the sum of its proper divisors (3394632893).

11601510115 is a wasteful number, since it uses less digits than its factorization.

11601510115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40758.

The product of its (nonzero) digits is 150, while the sum is 22.

The spelling of 11601510115 in words is "eleven billion, six hundred one million, five hundred ten thousand, one hundred fifteen".