115111406 has 4 divisors (see below), whose sum is σ = 172667112. Its totient is φ = 57555702.

The previous prime is 115111397. The next prime is 115111429. The reversal of 115111406 is 604111511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604111511 = 6011 ⋅100501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28777850 + ... + 28777853.

It is an arithmetic number, because the mean of its divisors is an integer number (43166778).

Almost surely, 2^115111406 is an apocalyptic number.

115111406 is a deficient number, since it is larger than the sum of its proper divisors (57555706).

115111406 is an equidigital number, since it uses as much as digits as its factorization.

115111406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57555705.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 115111406 is about 10728.9983689066. The cubic root of 115111406 is about 486.4513946470.

Adding to 115111406 its reverse (604111511), we get a palindrome (719222917).

The spelling of 115111406 in words is "one hundred fifteen million, one hundred eleven thousand, four hundred six".