11520000015 has 16 divisors (see below), whose sum is σ = 18665318400. Its totient is φ = 6066227232.

The previous prime is 11520000013. The next prime is 11520000047. The reversal of 11520000015 is 51000002511.

It is not a de Polignac number, because 11520000015 - 2¹ = 11520000013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 11519999949 and 11520000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520000013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4859575 + ... + 4861944.

It is an arithmetic number, because the mean of its divisors is an integer number (1166582400).

Almost surely, 2^11520000015 is an apocalyptic number.

11520000015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11520000015 is a deficient number, since it is larger than the sum of its proper divisors (7145318385).

11520000015 is an equidigital number, since it uses as much as digits as its factorization.

11520000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721606.

The product of its (nonzero) digits is 50, while the sum is 15.

Adding to 11520000015 its reverse (51000002511), we get a palindrome (62520002526).

It can be divided in two parts, 115200000 and 15, that multiplied together give a cube (1728000000 = 1200³).

The spelling of 11520000015 in words is "eleven billion, five hundred twenty million, fifteen", and thus it is an aban number.