2152775000 has 48 divisors (see below), whose sum is σ = 5045302080. Its totient is φ = 861100000.

The previous prime is 2152774997. The next prime is 2152775011. The reversal of 2152775000 is 5772512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18056 + ... + 68055.

It is an arithmetic number, because the mean of its divisors is an integer number (105110460).

Almost surely, 2^2152775000 is an apocalyptic number.

2152775000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152775000 is an abundant number, since it is smaller than the sum of its proper divisors (2892527080).

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

2152775000 is an frugal number, since it uses more digits than its factorization.

2152775000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86142 (or 86118 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 2152775000 is about 46398.0064226902. The cubic root of 2152775000 is about 1291.2179271363.

The spelling of 2152775000 in words is "two billion, one hundred fifty-two million, seven hundred seventy-five thousand".