1253423521052 has 48 divisors (see below), whose sum is σ = 2341071911808. Its totient is φ = 585140674560.

The previous prime is 1253423521033. The next prime is 1253423521109. The reversal of 1253423521052 is 2501253243521.

It is a congruent number.

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, 13807652 + ... + 13898132.

It is an arithmetic number, because the mean of its divisors is an integer number (48772331496).

Almost surely, 2^{1253423521052} is an apocalyptic number.

It is an amenable number.

1253423521052 is a deficient number, since it is larger than the sum of its proper divisors (1087648390756).

1253423521052 is a wasteful number, since it uses less digits than its factorization.

1253423521052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92126 (or 92124 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1253423521052 its reverse (2501253243521), we get a palindrome (3754676764573).

The spelling of 1253423521052 in words is "one trillion, two hundred fifty-three billion, four hundred twenty-three million, five hundred twenty-one thousand, fifty-two".