1253514243000 has 256 divisors, whose sum is σ = 3949673270400. Its totient is φ = 330974822400.

The previous prime is 1253514242999. The next prime is 1253514243011. The reversal of 1253514243000 is 3424153521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 168095272 + ... + 168102728.

Almost surely, 2^{1253514243000} is an apocalyptic number.

1253514243000 is a gapful number since it is divisible by the number (10) 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 1253514243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974836635200).

1253514243000 is an abundant number, since it is smaller than the sum of its proper divisors (2696159027400).

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

1253514243000 is a wasteful number, since it uses less digits than its factorization.

1253514243000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8027 (or 8013 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1253514243000 its reverse (3424153521), we get a palindrome (1256938396521).

The spelling of 1253514243000 in words is "one trillion, two hundred fifty-three billion, five hundred fourteen million, two hundred forty-three thousand".