111545350322257 has 2 divisors, whose sum is σ = 111545350322258. Its totient is φ = 111545350322256.

The previous prime is 111545350322249. The next prime is 111545350322261. The reversal of 111545350322257 is 752223053545111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61047328731841 + 50498021590416 = 7813279^2 + 7106196^2 .

It is a cyclic number.

It is not a de Polignac number, because 111545350322257 - 2³ = 111545350322249 is a prime.

It is not a weakly prime, because it can be changed into another prime (111545350322227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55772675161128 + 55772675161129.

It is an arithmetic number, because the mean of its divisors is an integer number (55772675161129).

Almost surely, 2^{111545350322257} is an apocalyptic number.

It is an amenable number.

111545350322257 is a deficient number, since it is larger than the sum of its proper divisors (1).

111545350322257 is an equidigital number, since it uses as much as digits as its factorization.

111545350322257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 111545350322257 in words is "one hundred eleven trillion, five hundred forty-five billion, three hundred fifty million, three hundred twenty-two thousand, two hundred fifty-seven".