5231512240000 has 80 divisors (see below), whose sum is σ = 13023522951120. Its totient is φ = 2092604864000.

The previous prime is 5231512239973. The next prime is 5231512240001. The reversal of 5231512240000 is 422151325.

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

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231512240001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32616952 + ... + 32776951.

It is an arithmetic number, because the mean of its divisors is an integer number (162794036889).

Almost surely, 2^{5231512240000} is an apocalyptic number.

5231512240000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5231512240000 is an abundant number, since it is smaller than the sum of its proper divisors (7792010711120).

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

5231512240000 is an frugal number, since it uses more digits than its factorization.

5231512240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65393937 (or 65393910 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 5231512240000 its reverse (422151325), we get a palindrome (5231934391325).

The spelling of 5231512240000 in words is "five trillion, two hundred thirty-one billion, five hundred twelve million, two hundred forty thousand".