2251444134531 has 32 divisors (see below), whose sum is σ = 3129745248000. Its totient is φ = 1437884622720.

The previous prime is 2251444134491. The next prime is 2251444134551. The reversal of 2251444134531 is 1354314441522.

It is not a de Polignac number, because 2251444134531 - 2³³ = 2242854199939 is a prime.

It is a super-2 number, since 2×2251444134531² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2251444134531.

It is not an unprimeable number, because it can be changed into a prime (2251444134551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11661696 + ... + 11853186.

It is an arithmetic number, because the mean of its divisors is an integer number (97804539000).

Almost surely, 2^{2251444134531} is an apocalyptic number.

2251444134531 is a deficient number, since it is larger than the sum of its proper divisors (878301113469).

2251444134531 is a wasteful number, since it uses less digits than its factorization.

2251444134531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192579.

The product of its digits is 230400, while the sum is 39.

The spelling of 2251444134531 in words is "two trillion, two hundred fifty-one billion, four hundred forty-four million, one hundred thirty-four thousand, five hundred thirty-one".