115315770 has 16 divisors (see below), whose sum is σ = 276757920. Its totient is φ = 30750864.

The previous prime is 115315751. The next prime is 115315789. The reversal of 115315770 is 77513511.

It is an interprime number because it is at equal distance from previous prime (115315751) and next prime (115315789).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3843859 = 115315770 / (1 + 1 + 5 + 3 + 1 + 5 + 7 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921900 + ... + 1921959.

It is an arithmetic number, because the mean of its divisors is an integer number (17297370).

Almost surely, 2^115315770 is an apocalyptic number.

115315770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115315770 is an abundant number, since it is smaller than the sum of its proper divisors (161442150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115315770 is a wasteful number, since it uses less digits than its factorization.

115315770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843869.

The product of its (nonzero) digits is 3675, while the sum is 30.

The square root of 115315770 is about 10738.5180541823. The cubic root of 115315770 is about 486.7390996420.

The spelling of 115315770 in words is "one hundred fifteen million, three hundred fifteen thousand, seven hundred seventy".