1253143101345 has 8 divisors (see below), whose sum is σ = 2005028962176. Its totient is φ = 668342987376.

The previous prime is 1253143101289. The next prime is 1253143101347. The reversal of 1253143101345 is 5431013413521.

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

It is not a de Polignac number, because 1253143101345 - 2²³ = 1253134712737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253143101347) 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, 41771436697 + ... + 41771436726.

It is an arithmetic number, because the mean of its divisors is an integer number (250628620272).

Almost surely, 2^{1253143101345} is an apocalyptic number.

1253143101345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253143101345 is a deficient number, since it is larger than the sum of its proper divisors (751885860831).

1253143101345 is an equidigital number, since it uses as much as digits as its factorization.

1253143101345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83542873431.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 1253143101345 its reverse (5431013413521), we get a palindrome (6684156514866).

The spelling of 1253143101345 in words is "one trillion, two hundred fifty-three billion, one hundred forty-three million, one hundred one thousand, three hundred forty-five".