111062544491 has 2 divisors, whose sum is σ = 111062544492. Its totient is φ = 111062544490.

The previous prime is 111062544457. The next prime is 111062544533. The reversal of 111062544491 is 194445260111.

It is a weak prime.

It is an emirp because it is prime and its reverse (194445260111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111062544491 is a prime.

It is not a weakly prime, because it can be changed into another prime (111062544401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55531272245 + 55531272246.

It is an arithmetic number, because the mean of its divisors is an integer number (55531272246).

Almost surely, 2^111062544491 is an apocalyptic number.

111062544491 is a deficient number, since it is larger than the sum of its proper divisors (1).

111062544491 is an equidigital number, since it uses as much as digits as its factorization.

111062544491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 111062544491 in words is "one hundred eleven billion, sixty-two million, five hundred forty-four thousand, four hundred ninety-one".