2155150500 has 48 divisors (see below), whose sum is σ = 6275802624. Its totient is φ = 574706400.

The previous prime is 2155150499. The next prime is 2155150511. The reversal of 2155150500 is 50515512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716884 + ... + 719883.

It is an arithmetic number, because the mean of its divisors is an integer number (130745888).

Almost surely, 2^2155150500 is an apocalyptic number.

2155150500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2155150500 is an abundant number, since it is smaller than the sum of its proper divisors (4120652124).

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

2155150500 is a wasteful number, since it uses less digits than its factorization.

2155150500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436789 (or 1436777 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 2155150500 is about 46423.5985248882. The cubic root of 2155150500 is about 1291.6926881103.

The spelling of 2155150500 in words is "two billion, one hundred fifty-five million, one hundred fifty thousand, five hundred".