15231013885460 has 72 divisors (see below), whose sum is σ = 33449904966240. Its totient is φ = 5825138532928.

The previous prime is 15231013885429. The next prime is 15231013885489. The reversal of 15231013885460 is 6458831013251.

15231013885460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25723499 + ... + 26308941.

It is an arithmetic number, because the mean of its divisors is an integer number (464582013420).

Almost surely, 2^{15231013885460} is an apocalyptic number.

15231013885460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15231013885460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16724952483120).

15231013885460 is an abundant number, since it is smaller than the sum of its proper divisors (18218891080780).

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

15231013885460 is a wasteful number, since it uses less digits than its factorization.

15231013885460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587957 (or 587932 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 15231013885460 in words is "fifteen trillion, two hundred thirty-one billion, thirteen million, eight hundred eighty-five thousand, four hundred sixty".