115153215 has 32 divisors (see below), whose sum is σ = 190524096. Its totient is φ = 59351040.

The previous prime is 115153201. The next prime is 115153217. The reversal of 115153215 is 512351511.

It is not a de Polignac number, because 115153215 - 2⁹ = 115152703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115153217) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 68667 + ... + 70323.

It is an arithmetic number, because the mean of its divisors is an integer number (5953878).

Almost surely, 2^115153215 is an apocalyptic number.

115153215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115153215 is a deficient number, since it is larger than the sum of its proper divisors (75370881).

115153215 is a wasteful number, since it uses less digits than its factorization.

115153215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its digits is 750, while the sum is 24.

The square root of 115153215 is about 10730.9466031660. The cubic root of 115153215 is about 486.5102813240.

The spelling of 115153215 in words is "one hundred fifteen million, one hundred fifty-three thousand, two hundred fifteen".