111432479144957 has 2 divisors, whose sum is σ = 111432479144958. Its totient is φ = 111432479144956.

The previous prime is 111432479144951. The next prime is 111432479145049. The reversal of 111432479144957 is 759441974234111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68196975357316 + 43235503787641 = 8258146^2 + 6575371^2 .

It is a cyclic number.

It is not a de Polignac number, because 111432479144957 - 2⁶ = 111432479144893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111432479144957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111432479144951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55716239572478 + 55716239572479.

It is an arithmetic number, because the mean of its divisors is an integer number (55716239572479).

Almost surely, 2^{111432479144957} is an apocalyptic number.

It is an amenable number.

111432479144957 is a deficient number, since it is larger than the sum of its proper divisors (1).

111432479144957 is an equidigital number, since it uses as much as digits as its factorization.

111432479144957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 62.

The spelling of 111432479144957 in words is "one hundred eleven trillion, four hundred thirty-two billion, four hundred seventy-nine million, one hundred forty-four thousand, nine hundred fifty-seven".