111477413857 has 2 divisors, whose sum is σ = 111477413858. Its totient is φ = 111477413856.

The previous prime is 111477413819. The next prime is 111477413899. The reversal of 111477413857 is 758314774111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60111270976 + 51366142881 = 245176^2 + 226641^2 .

It is a cyclic number.

It is not a de Polignac number, because 111477413857 - 2²³ = 111469025249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111477413857.

It is not a weakly prime, because it can be changed into another prime (111477410857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55738706928 + 55738706929.

It is an arithmetic number, because the mean of its divisors is an integer number (55738706929).

Almost surely, 2^111477413857 is an apocalyptic number.

It is an amenable number.

111477413857 is a deficient number, since it is larger than the sum of its proper divisors (1).

111477413857 is an equidigital number, since it uses as much as digits as its factorization.

111477413857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 49.

The spelling of 111477413857 in words is "one hundred eleven billion, four hundred seventy-seven million, four hundred thirteen thousand, eight hundred fifty-seven".