111403345957 has 2 divisors, whose sum is σ = 111403345958. Its totient is φ = 111403345956.

The previous prime is 111403345927. The next prime is 111403346003. The reversal of 111403345957 is 759543304111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109803425956 + 1599920001 = 331366^2 + 39999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111403345957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111403345927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55701672978 + 55701672979.

It is an arithmetic number, because the mean of its divisors is an integer number (55701672979).

Almost surely, 2^111403345957 is an apocalyptic number.

It is an amenable number.

111403345957 is a deficient number, since it is larger than the sum of its proper divisors (1).

111403345957 is an equidigital number, since it uses as much as digits as its factorization.

111403345957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 111403345957 in words is "one hundred eleven billion, four hundred three million, three hundred forty-five thousand, nine hundred fifty-seven".