115057109 has 8 divisors (see below), whose sum is σ = 120171840. Its totient is φ = 109951776.

The previous prime is 115057099. The next prime is 115057183. The reversal of 115057109 is 901750511.

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

It is not a de Polignac number, because 115057109 - 2⁴ = 115057093 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 (115057009) 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, 36602 + ... + 39620.

It is an arithmetic number, because the mean of its divisors is an integer number (15021480).

Almost surely, 2^115057109 is an apocalyptic number.

It is an amenable number.

115057109 is a deficient number, since it is larger than the sum of its proper divisors (5114731).

115057109 is a wasteful number, since it uses less digits than its factorization.

115057109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 115057109 is about 10726.4676851236. The cubic root of 115057109 is about 486.3748977232.

The spelling of 115057109 in words is "one hundred fifteen million, fifty-seven thousand, one hundred nine".