1253340133251 has 8 divisors (see below), whose sum is σ = 1696062270144. Its totient is φ = 823089042600.

The previous prime is 1253340133189. The next prime is 1253340133259. The reversal of 1253340133251 is 1523310433521.

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

It is not a de Polignac number, because 1253340133251 - 2⁹ = 1253340132739 is a prime.

It is a super-2 number, since 2×1253340133251² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253340133259) 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, 3117761325 + ... + 3117761726.

It is an arithmetic number, because the mean of its divisors is an integer number (212007783768).

Almost surely, 2^{1253340133251} is an apocalyptic number.

1253340133251 is a deficient number, since it is larger than the sum of its proper divisors (442722136893).

1253340133251 is an equidigital number, since it uses as much as digits as its factorization.

1253340133251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235523121.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 1253340133251 its reverse (1523310433521), we get a palindrome (2776650566772).

The spelling of 1253340133251 in words is "one trillion, two hundred fifty-three billion, three hundred forty million, one hundred thirty-three thousand, two hundred fifty-one".