111775370801 has 2 divisors, whose sum is σ = 111775370802. Its totient is φ = 111775370800.

The previous prime is 111775370737. The next prime is 111775370831. The reversal of 111775370801 is 108073577111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101770570225 + 10004800576 = 319015^2 + 100024^2 .

It is a cyclic number.

It is not a de Polignac number, because 111775370801 - 2⁶ = 111775370737 is a prime.

It is not a weakly prime, because it can be changed into another prime (111775370831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55887685400 + 55887685401.

It is an arithmetic number, because the mean of its divisors is an integer number (55887685401).

Almost surely, 2^111775370801 is an apocalyptic number.

It is an amenable number.

111775370801 is a deficient number, since it is larger than the sum of its proper divisors (1).

111775370801 is an equidigital number, since it uses as much as digits as its factorization.

111775370801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 41.

The spelling of 111775370801 in words is "one hundred eleven billion, seven hundred seventy-five million, three hundred seventy thousand, eight hundred one".