1872733131251 has 2 divisors, whose sum is σ = 1872733131252. Its totient is φ = 1872733131250.

The previous prime is 1872733131221. The next prime is 1872733131253. The reversal of 1872733131251 is 1521313372781.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1872733131251 - 2¹⁴ = 1872733114867 is a prime.

Together with 1872733131253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1872733131253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936366565625 + 936366565626.

It is an arithmetic number, because the mean of its divisors is an integer number (936366565626).

Almost surely, 2^{1872733131251} is an apocalyptic number.

1872733131251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1872733131251 is an equidigital number, since it uses as much as digits as its factorization.

1872733131251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The spelling of 1872733131251 in words is "one trillion, eight hundred seventy-two billion, seven hundred thirty-three million, one hundred thirty-one thousand, two hundred fifty-one".