115947755 has 32 divisors (see below), whose sum is σ = 174113280. Its totient is φ = 72011520.

The previous prime is 115947749. The next prime is 115947773. The reversal of 115947755 is 557749511.

It is not a de Polignac number, because 115947755 - 2⁶ = 115947691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175616 + ... + 176274.

It is an arithmetic number, because the mean of its divisors is an integer number (5441040).

Almost surely, 2^115947755 is an apocalyptic number.

115947755 is a deficient number, since it is larger than the sum of its proper divisors (58165525).

115947755 is a wasteful number, since it uses less digits than its factorization.

115947755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139.

The product of its digits is 220500, while the sum is 44.

The square root of 115947755 is about 10767.9039278775. The cubic root of 115947755 is about 487.6266670633.

The spelling of 115947755 in words is "one hundred fifteen million, nine hundred forty-seven thousand, seven hundred fifty-five".