11113521315 has 64 divisors (see below), whose sum is σ = 19440691200. Its totient is φ = 5388424704.

The previous prime is 11113521257. The next prime is 11113521361. The reversal of 11113521315 is 51312531111.

It is not a de Polignac number, because 11113521315 - 2¹³ = 11113513123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9042121 + ... + 9043349.

It is an arithmetic number, because the mean of its divisors is an integer number (303760800).

Almost surely, 2^11113521315 is an apocalyptic number.

11113521315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11113521315 is a deficient number, since it is larger than the sum of its proper divisors (8327169885).

11113521315 is a wasteful number, since it uses less digits than its factorization.

11113521315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its digits is 450, while the sum is 24.

The spelling of 11113521315 in words is "eleven billion, one hundred thirteen million, five hundred twenty-one thousand, three hundred fifteen".