11523360515920 has 80 divisors (see below), whose sum is σ = 29335283493120. Its totient is φ = 4174850419200.

The previous prime is 11523360515903. The next prime is 11523360515923. The reversal of 11523360515920 is 2951506332511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523360515923) 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, 23921535 + ... + 24398494.

It is an arithmetic number, because the mean of its divisors is an integer number (366691043664).

Almost surely, 2^{11523360515920} is an apocalyptic number.

11523360515920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11523360515920 is an abundant number, since it is smaller than the sum of its proper divisors (17811922977200).

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

11523360515920 is a wasteful number, since it uses less digits than its factorization.

11523360515920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48320324 (or 48320318 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 11523360515920 in words is "eleven trillion, five hundred twenty-three billion, three hundred sixty million, five hundred fifteen thousand, nine hundred twenty".