11523114120015 has 16 divisors (see below), whose sum is σ = 20485536213600. Its totient is φ = 6145660863936.

The previous prime is 11523114119981. The next prime is 11523114120017. The reversal of 11523114120015 is 51002141132511.

11523114120015 is a `hidden beast` number, since 1 + 1 + 5 + 231 + 1 + 412 + 0 + 0 + 15 = 666.

It is not a de Polignac number, because 11523114120015 - 2²³ = 11523105731407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523114120017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42678200310 + ... + 42678200579.

It is an arithmetic number, because the mean of its divisors is an integer number (1280346013350).

Almost surely, 2^{11523114120015} is an apocalyptic number.

11523114120015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11523114120015 is a deficient number, since it is larger than the sum of its proper divisors (8962422093585).

11523114120015 is an equidigital number, since it uses as much as digits as its factorization.

11523114120015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85356400903 (or 85356400897 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 11523114120015 its reverse (51002141132511), we get a palindrome (62525255252526).

The spelling of 11523114120015 in words is "eleven trillion, five hundred twenty-three billion, one hundred fourteen million, one hundred twenty thousand, fifteen".