111257900389 has 2 divisors, whose sum is σ = 111257900390. Its totient is φ = 111257900388.

The previous prime is 111257900329. The next prime is 111257900459. The reversal of 111257900389 is 983009752111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102790772100 + 8467128289 = 320610^2 + 92017^2 .

It is an emirp because it is prime and its reverse (983009752111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111257900389 - 2⁷ = 111257900261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111257900329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55628950194 + 55628950195.

It is an arithmetic number, because the mean of its divisors is an integer number (55628950195).

Almost surely, 2^111257900389 is an apocalyptic number.

It is an amenable number.

111257900389 is a deficient number, since it is larger than the sum of its proper divisors (1).

111257900389 is an equidigital number, since it uses as much as digits as its factorization.

111257900389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 111257900389 in words is "one hundred eleven billion, two hundred fifty-seven million, nine hundred thousand, three hundred eighty-nine".