111022564493 has 2 divisors, whose sum is σ = 111022564494. Its totient is φ = 111022564492.

The previous prime is 111022564489. The next prime is 111022564579. The reversal of 111022564493 is 394465220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61810909924 + 49211654569 = 248618^2 + 221837^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022564493 - 2² = 111022564489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111022564193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511282246 + 55511282247.

It is an arithmetic number, because the mean of its divisors is an integer number (55511282247).

Almost surely, 2^111022564493 is an apocalyptic number.

It is an amenable number.

111022564493 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022564493 is an equidigital number, since it uses as much as digits as its factorization.

111022564493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 111022564493 in words is "one hundred eleven billion, twenty-two million, five hundred sixty-four thousand, four hundred ninety-three".