13231665725097 has 16 divisors (see below), whose sum is σ = 17826620192640. Its totient is φ = 8728936591872.

The previous prime is 13231665725053. The next prime is 13231665725141. The reversal of 13231665725097 is 79052756613231.

It is a happy number.

13231665725097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13231665725053) and next prime (13231665725141).

It is not a de Polignac number, because 13231665725097 - 2⁸ = 13231665724841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13231665725027) 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, 1151598 + ... + 5271575.

It is an arithmetic number, because the mean of its divisors is an integer number (1114163762040).

Almost surely, 2^{13231665725097} is an apocalyptic number.

It is an amenable number.

13231665725097 is a deficient number, since it is larger than the sum of its proper divisors (4594954467543).

13231665725097 is an equidigital number, since it uses as much as digits as its factorization.

13231665725097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430352.

The product of its (nonzero) digits is 14288400, while the sum is 57.

The spelling of 13231665725097 in words is "thirteen trillion, two hundred thirty-one billion, six hundred sixty-five million, seven hundred twenty-five thousand, ninety-seven".