2151500010 has 64 divisors (see below), whose sum is σ = 5770445184. Its totient is φ = 508851200.

The previous prime is 2151500009. The next prime is 2151500023. The reversal of 2151500010 is 100051512.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65979 + ... + 93038.

It is an arithmetic number, because the mean of its divisors is an integer number (90163206).

Almost surely, 2^2151500010 is an apocalyptic number.

2151500010 is an abundant number, since it is smaller than the sum of its proper divisors (3618945174).

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

2151500010 is a wasteful number, since it uses less digits than its factorization.

2151500010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159079.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 2151500010 is about 46384.2646810316. The cubic root of 2151500010 is about 1290.9629670562.

Adding to 2151500010 its reverse (100051512), we get a palindrome (2251551522).

The spelling of 2151500010 in words is "two billion, one hundred fifty-one million, five hundred thousand, ten".