111625474193 has 2 divisors, whose sum is σ = 111625474194. Its totient is φ = 111625474192.

The previous prime is 111625474153. The next prime is 111625474199. The reversal of 111625474193 is 391474526111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89369906704 + 22255567489 = 298948^2 + 149183^2 .

It is a cyclic number.

It is not a de Polignac number, because 111625474193 - 2¹² = 111625470097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111625474199) 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, 55812737096 + 55812737097.

It is an arithmetic number, because the mean of its divisors is an integer number (55812737097).

Almost surely, 2^111625474193 is an apocalyptic number.

It is an amenable number.

111625474193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111625474193 is an equidigital number, since it uses as much as digits as its factorization.

111625474193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The spelling of 111625474193 in words is "one hundred eleven billion, six hundred twenty-five million, four hundred seventy-four thousand, one hundred ninety-three".