111614641 has 2 divisors, whose sum is σ = 111614642. Its totient is φ = 111614640.

The previous prime is 111614621. The next prime is 111614647. The reversal of 111614641 is 146416111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104346225 + 7268416 = 10215^2 + 2696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111614641 is a prime.

It is not a weakly prime, because it can be changed into another prime (111614647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55807320 + 55807321.

It is an arithmetic number, because the mean of its divisors is an integer number (55807321).

Almost surely, 2^111614641 is an apocalyptic number.

It is an amenable number.

111614641 is a deficient number, since it is larger than the sum of its proper divisors (1).

111614641 is an equidigital number, since it uses as much as digits as its factorization.

111614641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 25.

The square root of 111614641 is about 10564.7830550371. The cubic root of 111614641 is about 481.4749782746.

The spelling of 111614641 in words is "one hundred eleven million, six hundred fourteen thousand, six hundred forty-one".