1150015500 has 144 divisors (see below), whose sum is σ = 3726506784. Its totient is φ = 298339200.

The previous prime is 1150015499. The next prime is 1150015511. The reversal of 1150015500 is 55100511.

1150015500 is a `hidden beast` number, since 1 + 150 + 0 + 15 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163047 + ... + 169953.

Almost surely, 2^1150015500 is an apocalyptic number.

1150015500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150015500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863253392).

1150015500 is an abundant number, since it is smaller than the sum of its proper divisors (2576491284).

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

1150015500 is a wasteful number, since it uses less digits than its factorization.

1150015500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969 (or 6954 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 1150015500 is about 33911.8784498883. The cubic root of 1150015500 is about 1047.6942601615.

It can be divided in two parts, 11500 and 15500, that added together give a cube (27000 = 30³).

The spelling of 1150015500 in words is "one billion, one hundred fifty million, fifteen thousand, five hundred".