1253451325044 has 24 divisors (see below), whose sum is σ = 2968372294048. Its totient is φ = 411581031840.

The previous prime is 1253451325033. The next prime is 1253451325109. The reversal of 1253451325044 is 4405231543521.

It is a super-2 number, since 2×1253451325044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1253451324993 and 1253451325011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779508727 + ... + 779510334.

Almost surely, 2^{1253451325044} is an apocalyptic number.

It is an amenable number.

1253451325044 is an abundant number, since it is smaller than the sum of its proper divisors (1714920969004).

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

1253451325044 is a wasteful number, since it uses less digits than its factorization.

1253451325044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559019135 (or 1559019133 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 1253451325044 its reverse (4405231543521), we get a palindrome (5658682868565).

The spelling of 1253451325044 in words is "one trillion, two hundred fifty-three billion, four hundred fifty-one million, three hundred twenty-five thousand, forty-four".