111200401057 has 2 divisors, whose sum is σ = 111200401058. Its totient is φ = 111200401056.

The previous prime is 111200400967. The next prime is 111200401063. The reversal of 111200401057 is 750104002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86794462881 + 24405938176 = 294609^2 + 156224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111200401057 is a prime.

It is not a weakly prime, because it can be changed into another prime (111201401057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600200528 + 55600200529.

It is an arithmetic number, because the mean of its divisors is an integer number (55600200529).

Almost surely, 2^111200401057 is an apocalyptic number.

It is an amenable number.

111200401057 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200401057 is an equidigital number, since it uses as much as digits as its factorization.

111200401057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 111200401057 its reverse (750104002111), we get a palindrome (861304403168).

The spelling of 111200401057 in words is "one hundred eleven billion, two hundred million, four hundred one thousand, fifty-seven".