1252681245744 has 20 divisors (see below), whose sum is σ = 3236093218296. Its totient is φ = 417560415232.

The previous prime is 1252681245743. The next prime is 1252681245799. The reversal of 1252681245744 is 4475421862521.

It is a super-2 number, since 2×1252681245744² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252681245743) by changing a digit.

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, 13048762929 + ... + 13048763024.

Almost surely, 2^{1252681245744} is an apocalyptic number.

It is an amenable number.

1252681245744 is an abundant number, since it is smaller than the sum of its proper divisors (1983411972552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252681245744 is a wasteful number, since it uses less digits than its factorization.

1252681245744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26097525964 (or 26097525958 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 51.

The spelling of 1252681245744 in words is "one trillion, two hundred fifty-two billion, six hundred eighty-one million, two hundred forty-five thousand, seven hundred forty-four".