115700155 has 8 divisors (see below), whose sum is σ = 142226784. Its totient is φ = 90302400.

The previous prime is 115700149. The next prime is 115700191. The reversal of 115700155 is 551007511.

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

It is not a de Polignac number, because 115700155 - 2⁷ = 115700027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281991 + ... + 282400.

It is an arithmetic number, because the mean of its divisors is an integer number (17778348).

Almost surely, 2^115700155 is an apocalyptic number.

115700155 is a deficient number, since it is larger than the sum of its proper divisors (26526629).

115700155 is an equidigital number, since it uses as much as digits as its factorization.

115700155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564437.

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 115700155 is about 10756.4006526347. The cubic root of 115700155 is about 487.2793197982.

Adding to 115700155 its reverse (551007511), we get a palindrome (666707666).

The spelling of 115700155 in words is "one hundred fifteen million, seven hundred thousand, one hundred fifty-five".