1253311153511 has 4 divisors (see below), whose sum is σ = 1253334339624. Its totient is φ = 1253287967400.

The previous prime is 1253311153487. The next prime is 1253311153603. The reversal of 1253311153511 is 1153511133521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1253311153511 - 2⁶ = 1253311153447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253311153411) 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, 11511785 + ... + 11620146.

It is an arithmetic number, because the mean of its divisors is an integer number (313333584906).

Almost surely, 2^{1253311153511} is an apocalyptic number.

1253311153511 is a deficient number, since it is larger than the sum of its proper divisors (23186113).

1253311153511 is an equidigital number, since it uses as much as digits as its factorization.

1253311153511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23186112.

The product of its digits is 6750, while the sum is 32.

The spelling of 1253311153511 in words is "one trillion, two hundred fifty-three billion, three hundred eleven million, one hundred fifty-three thousand, five hundred eleven".