1252567442636 has 48 divisors (see below), whose sum is σ = 2337577804800. Its totient is φ = 585557900928.

The previous prime is 1252567442509. The next prime is 1252567442641. The reversal of 1252567442636 is 6362447652521.

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 15 ways as a sum of consecutive naturals, for example, 14227625 + ... + 14315391.

It is an arithmetic number, because the mean of its divisors is an integer number (48699537600).

Almost surely, 2^{1252567442636} is an apocalyptic number.

It is an amenable number.

1252567442636 is a deficient number, since it is larger than the sum of its proper divisors (1085010362164).

1252567442636 is a wasteful number, since it uses less digits than its factorization.

1252567442636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90246 (or 90244 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 53.

The spelling of 1252567442636 in words is "one trillion, two hundred fifty-two billion, five hundred sixty-seven million, four hundred forty-two thousand, six hundred thirty-six".