115047111 has 8 divisors (see below), whose sum is σ = 153449584. Its totient is φ = 76671360.

The previous prime is 115047083. The next prime is 115047133. The reversal of 115047111 is 111740511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-115047111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115047151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7941 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (19181198).

Almost surely, 2^115047111 is an apocalyptic number.

115047111 is a deficient number, since it is larger than the sum of its proper divisors (38402473).

115047111 is an equidigital number, since it uses as much as digits as its factorization.

115047111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13361.

The product of its (nonzero) digits is 140, while the sum is 21.

The square root of 115047111 is about 10726.0016315494. The cubic root of 115047111 is about 486.3608093077.

Adding to 115047111 its reverse (111740511), we get a palindrome (226787622).

The spelling of 115047111 in words is "one hundred fifteen million, forty-seven thousand, one hundred eleven".