1253902915264 has 28 divisors (see below), whose sum is σ = 2488615000408. Its totient is φ = 626850316800.

The previous prime is 1253902915261. The next prime is 1253902915273. The reversal of 1253902915264 is 4625192093521.

It is not an unprimeable number, because it can be changed into a prime (1253902915261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179717 + ... + 1974724.

Almost surely, 2^{1253902915264} is an apocalyptic number.

It is an amenable number.

1253902915264 is a deficient number, since it is larger than the sum of its proper divisors (1234712085144).

1253902915264 is an equidigital number, since it uses as much as digits as its factorization.

1253902915264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160664 (or 3160654 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 1253902915264 in words is "one trillion, two hundred fifty-three billion, nine hundred two million, nine hundred fifteen thousand, two hundred sixty-four".