11231413515 has 96 divisors (see below), whose sum is σ = 23277735936. Its totient is φ = 4902289920.

The previous prime is 11231413507. The next prime is 11231413537. The reversal of 11231413515 is 51531413211.

11231413515 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 141 + 3 + 515 = 666.

11231413515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11231413515 - 2³ = 11231413507 is a prime.

It is a super-2 number, since 2×11231413515² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 597754 + ... + 616256.

It is an arithmetic number, because the mean of its divisors is an integer number (242476416).

Almost surely, 2^11231413515 is an apocalyptic number.

11231413515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11231413515 is an abundant number, since it is smaller than the sum of its proper divisors (12046322421).

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

11231413515 is a wasteful number, since it uses less digits than its factorization.

11231413515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18609 (or 18606 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

Adding to 11231413515 its reverse (51531413211), we get a palindrome (62762826726).

The spelling of 11231413515 in words is "eleven billion, two hundred thirty-one million, four hundred thirteen thousand, five hundred fifteen".