2251687151 has 24 divisors (see below), whose sum is σ = 2697696000. Its totient is φ = 1873098864.

The previous prime is 2251687129. The next prime is 2251687171. The reversal of 2251687151 is 1517861522.

It is not a de Polignac number, because 2251687151 - 2¹⁰ = 2251686127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251687121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223460 + ... + 233318.

It is an arithmetic number, because the mean of its divisors is an integer number (112404000).

Almost surely, 2^2251687151 is an apocalyptic number.

2251687151 is a deficient number, since it is larger than the sum of its proper divisors (446008849).

2251687151 is an equidigital number, since it uses as much as digits as its factorization.

2251687151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011 (or 10004 counting only the distinct ones).

The product of its digits is 33600, while the sum is 38.

The square root of 2251687151 is about 47451.9457029952. The cubic root of 2251687151 is about 1310.6981401975.

The spelling of 2251687151 in words is "two billion, two hundred fifty-one million, six hundred eighty-seven thousand, one hundred fifty-one".