2151502120 has 32 divisors (see below), whose sum is σ = 4848262920. Its totient is φ = 859288320.

The previous prime is 2151502079. The next prime is 2151502151. The reversal of 2151502120 is 212051512.

It can be written as a sum of positive squares in 4 ways, for example, as 2142393796 + 9108324 = 46286^2 + 3018^2 .

It is a super-2 number, since 2×2151502120² = 9257922744728988800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14247 + ... + 67126.

Almost surely, 2^2151502120 is an apocalyptic number.

2151502120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151502120 is an abundant number, since it is smaller than the sum of its proper divisors (2696760800).

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

2151502120 is a wasteful number, since it uses less digits than its factorization.

2151502120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82045 (or 82041 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2151502120 is about 46384.2874258083. The cubic root of 2151502120 is about 1290.9633890766.

Adding to 2151502120 its reverse (212051512), we get a palindrome (2363553632).

The spelling of 2151502120 in words is "two billion, one hundred fifty-one million, five hundred two thousand, one hundred twenty".