1253327878113 has 4 divisors (see below), whose sum is σ = 1671103837488. Its totient is φ = 835551918740.

The previous prime is 1253327878111. The next prime is 1253327878141. The reversal of 1253327878113 is 3118787233521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1253327878113 - 2¹ = 1253327878111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253327878111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208887979683 + ... + 208887979688.

It is an arithmetic number, because the mean of its divisors is an integer number (417775959372).

Almost surely, 2^{1253327878113} is an apocalyptic number.

It is an amenable number.

1253327878113 is a deficient number, since it is larger than the sum of its proper divisors (417775959375).

1253327878113 is an equidigital number, since it uses as much as digits as its factorization.

1253327878113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417775959374.

The product of its digits is 1693440, while the sum is 51.

The spelling of 1253327878113 in words is "one trillion, two hundred fifty-three billion, three hundred twenty-seven million, eight hundred seventy-eight thousand, one hundred thirteen".