115150999 has 4 divisors (see below), whose sum is σ = 115343200. Its totient is φ = 114958800.

The previous prime is 115150991. The next prime is 115151059. The reversal of 115150999 is 999051511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999051511 = 6781 ⋅147331.

It is a cyclic number.

It is not a de Polignac number, because 115150999 - 2³ = 115150991 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 (115150991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95199 + ... + 96400.

It is an arithmetic number, because the mean of its divisors is an integer number (28835800).

Almost surely, 2^115150999 is an apocalyptic number.

115150999 is a deficient number, since it is larger than the sum of its proper divisors (192201).

115150999 is an equidigital number, since it uses as much as digits as its factorization.

115150999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192200.

The product of its (nonzero) digits is 18225, while the sum is 40.

The square root of 115150999 is about 10730.8433498957. The cubic root of 115150999 is about 486.5071605147.

The spelling of 115150999 in words is "one hundred fifteen million, one hundred fifty thousand, nine hundred ninety-nine".