111514216391 has 2 divisors, whose sum is σ = 111514216392. Its totient is φ = 111514216390.

The previous prime is 111514216349. The next prime is 111514216487. The reversal of 111514216391 is 193612415111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111514216391 - 2¹⁰ = 111514215367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111514216321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55757108195 + 55757108196.

It is an arithmetic number, because the mean of its divisors is an integer number (55757108196).

Almost surely, 2^111514216391 is an apocalyptic number.

111514216391 is a deficient number, since it is larger than the sum of its proper divisors (1).

111514216391 is an equidigital number, since it uses as much as digits as its factorization.

111514216391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 35.

The spelling of 111514216391 in words is "one hundred eleven billion, five hundred fourteen million, two hundred sixteen thousand, three hundred ninety-one".