1253025507822 has 64 divisors (see below), whose sum is σ = 2879765913600. Its totient is φ = 359469744480.

The previous prime is 1253025507781. The next prime is 1253025507823. The reversal of 1253025507822 is 2287055203521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253025507823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457313 + ... + 2151699.

It is an arithmetic number, because the mean of its divisors is an integer number (44996342400).

Almost surely, 2^{1253025507822} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253025507822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439882956800).

1253025507822 is an abundant number, since it is smaller than the sum of its proper divisors (1626740405778).

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

1253025507822 is a wasteful number, since it uses less digits than its factorization.

1253025507822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695861.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 1253025507822 in words is "one trillion, two hundred fifty-three billion, twenty-five million, five hundred seven thousand, eight hundred twenty-two".