111325489896391 has 2 divisors, whose sum is σ = 111325489896392. Its totient is φ = 111325489896390.

The previous prime is 111325489896323. The next prime is 111325489896419. The reversal of 111325489896391 is 193698984523111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111325489896391 - 2²³ = 111325481507783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111325489896391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111325489899391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55662744948195 + 55662744948196.

It is an arithmetic number, because the mean of its divisors is an integer number (55662744948196).

Almost surely, 2^{111325489896391} is an apocalyptic number.

111325489896391 is a deficient number, since it is larger than the sum of its proper divisors (1).

111325489896391 is an equidigital number, since it uses as much as digits as its factorization.

111325489896391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100776960, while the sum is 70.

The spelling of 111325489896391 in words is "one hundred eleven trillion, three hundred twenty-five billion, four hundred eighty-nine million, eight hundred ninety-six thousand, three hundred ninety-one".