1252513876388 has 24 divisors (see below), whose sum is σ = 2204069874552. Its totient is φ = 622786375424.

The previous prime is 1252513876379. The next prime is 1252513876409. The reversal of 1252513876388 is 8836783152521.

It can be written as a sum of positive squares in 4 ways, for example, as 201392717824 + 1051121158564 = 448768^2 + 1025242^2 .

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 7 ways as a sum of consecutive naturals, for example, 100295 + ... + 1585902.

It is an arithmetic number, because the mean of its divisors is an integer number (91836244773).

Almost surely, 2^{1252513876388} is an apocalyptic number.

It is an amenable number.

1252513876388 is a deficient number, since it is larger than the sum of its proper divisors (951555998164).

1252513876388 is a wasteful number, since it uses less digits than its factorization.

1252513876388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687231 (or 1687229 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 59.

The spelling of 1252513876388 in words is "one trillion, two hundred fifty-two billion, five hundred thirteen million, eight hundred seventy-six thousand, three hundred eighty-eight".