115420111 has 2 divisors, whose sum is σ = 115420112. Its totient is φ = 115420110.

The previous prime is 115420103. The next prime is 115420147. The reversal of 115420111 is 111024511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115420111 - 2³ = 115420103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115427111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57710055 + 57710056.

It is an arithmetic number, because the mean of its divisors is an integer number (57710056).

Almost surely, 2^115420111 is an apocalyptic number.

115420111 is a deficient number, since it is larger than the sum of its proper divisors (1).

115420111 is an equidigital number, since it uses as much as digits as its factorization.

115420111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 115420111 is about 10743.3752145217. The cubic root of 115420111 is about 486.8858605296.

Adding to 115420111 its reverse (111024511), we get a palindrome (226444622).

The spelling of 115420111 in words is "one hundred fifteen million, four hundred twenty thousand, one hundred eleven".