1253411497744 has 80 divisors (see below), whose sum is σ = 2808879394816. Its totient is φ = 530733772800.

The previous prime is 1253411497739. The next prime is 1253411497787. The reversal of 1253411497744 is 4477941143521.

It is a junction number, because it is equal to n+sod(n) for n = 1253411497691 and 1253411497700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3245164 + ... + 3610804.

Almost surely, 2^{1253411497744} is an apocalyptic number.

1253411497744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253411497744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404439697408).

1253411497744 is an abundant number, since it is smaller than the sum of its proper divisors (1555467897072).

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

1253411497744 is a wasteful number, since it uses less digits than its factorization.

1253411497744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366024 (or 366018 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The spelling of 1253411497744 in words is "one trillion, two hundred fifty-three billion, four hundred eleven million, four hundred ninety-seven thousand, seven hundred forty-four".