15115950 has 48 divisors (see below), whose sum is σ = 41656560. Its totient is φ = 4030560.

The previous prime is 15115927. The next prime is 15115951. The reversal of 15115950 is 5951151.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4249 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (867845).

Almost surely, 2^15115950 is an apocalyptic number.

15115950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15115950 is an abundant number, since it is smaller than the sum of its proper divisors (26540610).

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

15115950 is a wasteful number, since it uses less digits than its factorization.

15115950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11218 (or 11207 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 27.

The square root of 15115950 is about 3887.9236103607. The cubic root of 15115950 is about 247.2550377028.

The spelling of 15115950 in words is "fifteen million, one hundred fifteen thousand, nine hundred fifty".