2251364665252 has 12 divisors (see below), whose sum is σ = 3944675397376. Its totient is φ = 1124314551720.

The previous prime is 2251364665247. The next prime is 2251364665301. The reversal of 2251364665252 is 2525664631522.

It is a junction number, because it is equal to n+sod(n) for n = 2251364665196 and 2251364665205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341941524 + ... + 341948107.

Almost surely, 2^{2251364665252} is an apocalyptic number.

It is an amenable number.

2251364665252 is a deficient number, since it is larger than the sum of its proper divisors (1693310732124).

2251364665252 is a wasteful number, since it uses less digits than its factorization.

2251364665252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683890458 (or 683890456 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 49.

The spelling of 2251364665252 in words is "two trillion, two hundred fifty-one billion, three hundred sixty-four million, six hundred sixty-five thousand, two hundred fifty-two".