1253522525321 has 8 divisors (see below), whose sum is σ = 1368397524000. Its totient is φ = 1138800594240.

The previous prime is 1253522525279. The next prime is 1253522525357. The reversal of 1253522525321 is 1235252253521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253522525321 - 2²⁶ = 1253455416457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253522525621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38249771 + ... + 38282528.

It is an arithmetic number, because the mean of its divisors is an integer number (171049690500).

Almost surely, 2^{1253522525321} is an apocalyptic number.

1253522525321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1253522525321 is a deficient number, since it is larger than the sum of its proper divisors (114874998679).

1253522525321 is a wasteful number, since it uses less digits than its factorization.

1253522525321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76533799.

The product of its digits is 180000, while the sum is 38.

Adding to 1253522525321 its reverse (1235252253521), we get a palindrome (2488774778842).

The spelling of 1253522525321 in words is "one trillion, two hundred fifty-three billion, five hundred twenty-two million, five hundred twenty-five thousand, three hundred twenty-one".