15131401520000 has 80 divisors (see below), whose sum is σ = 37668678570600. Its totient is φ = 6052560576000.

The previous prime is 15131401519987. The next prime is 15131401520023. The reversal of 15131401520000 is 2510413151.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 94491260 + ... + 94651259.

Almost surely, 2^{15131401520000} is an apocalyptic number.

15131401520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15131401520000 is an abundant number, since it is smaller than the sum of its proper divisors (22537277050600).

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

15131401520000 is an frugal number, since it uses more digits than its factorization.

15131401520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189142553 (or 189142526 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 15131401520000 its reverse (2510413151), we get a palindrome (15133911933151).

The spelling of 15131401520000 in words is "fifteen trillion, one hundred thirty-one billion, four hundred one million, five hundred twenty thousand".