1253311325504 has 28 divisors (see below), whose sum is σ = 2842331042784. Its totient is φ = 537133425024.

The previous prime is 1253311325437. The next prime is 1253311325509. The reversal of 1253311325504 is 4055231133521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253311325509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398784514 + ... + 1398785409.

Almost surely, 2^{1253311325504} is an apocalyptic number.

1253311325504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1253311325504 is an abundant number, since it is smaller than the sum of its proper divisors (1589019717280).

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

1253311325504 is an equidigital number, since it uses as much as digits as its factorization.

1253311325504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797569942 (or 2797569932 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 1253311325504 in words is "one trillion, two hundred fifty-three billion, three hundred eleven million, three hundred twenty-five thousand, five hundred four".