2151501004 has 12 divisors (see below), whose sum is σ = 3766165200. Its totient is φ = 1075453808.

The previous prime is 2151500987. The next prime is 2151501007. The reversal of 2151501004 is 4001051512.

It is not an unprimeable number, because it can be changed into a prime (2151501007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 57439 + ... + 87190.

It is an arithmetic number, because the mean of its divisors is an integer number (313847100).

Almost surely, 2^2151501004 is an apocalyptic number.

It is an amenable number.

2151501004 is a deficient number, since it is larger than the sum of its proper divisors (1614664196).

2151501004 is a wasteful number, since it uses less digits than its factorization.

2151501004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148352 (or 148350 counting only the distinct ones).

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

The square root of 2151501004 is about 46384.2753958710. The cubic root of 2151501004 is about 1290.9631658658.

Adding to 2151501004 its reverse (4001051512), we get a palindrome (6152552516).

The spelling of 2151501004 in words is "two billion, one hundred fifty-one million, five hundred one thousand, four".