135553557311 has 4 divisors (see below), whose sum is σ = 135559882752. Its totient is φ = 135547231872.

The previous prime is 135553557299. The next prime is 135553557319. The reversal of 135553557311 is 113755355531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113755355531 = 631 ⋅180277901.

It is a cyclic number.

It is not a de Polignac number, because 135553557311 - 2⁶ = 135553557247 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 (135553557319) 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, 3130466 + ... + 3173471.

It is an arithmetic number, because the mean of its divisors is an integer number (33889970688).

Almost surely, 2^135553557311 is an apocalyptic number.

135553557311 is a deficient number, since it is larger than the sum of its proper divisors (6325441).

135553557311 is an equidigital number, since it uses as much as digits as its factorization.

135553557311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325440.

The product of its digits is 590625, while the sum is 44.

The spelling of 135553557311 in words is "one hundred thirty-five billion, five hundred fifty-three million, five hundred fifty-seven thousand, three hundred eleven".