111355450589 has 2 divisors, whose sum is σ = 111355450590. Its totient is φ = 111355450588.

The previous prime is 111355450501. The next prime is 111355450607. The reversal of 111355450589 is 985054553111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105062201689 + 6293248900 = 324133^2 + 79330^2 .

It is a cyclic number.

It is not a de Polignac number, because 111355450589 - 2²⁴ = 111338673373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111355450289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55677725294 + 55677725295.

It is an arithmetic number, because the mean of its divisors is an integer number (55677725295).

Almost surely, 2^111355450589 is an apocalyptic number.

It is an amenable number.

111355450589 is a deficient number, since it is larger than the sum of its proper divisors (1).

111355450589 is an equidigital number, since it uses as much as digits as its factorization.

111355450589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 47.

The spelling of 111355450589 in words is "one hundred eleven billion, three hundred fifty-five million, four hundred fifty thousand, five hundred eighty-nine".