13120357350511 has 4 divisors (see below), whose sum is σ = 13121009573112. Its totient is φ = 13119705127912.

The previous prime is 13120357350467. The next prime is 13120357350589. The reversal of 13120357350511 is 11505375302131.

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 13120357350511 - 2¹³ = 13120357342319 is a prime.

It is a super-2 number, since 2×13120357350511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120357357511) 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, 326081125 + ... + 326121358.

It is an arithmetic number, because the mean of its divisors is an integer number (3280252393278).

Almost surely, 2^{13120357350511} is an apocalyptic number.

13120357350511 is a deficient number, since it is larger than the sum of its proper divisors (652222601).

13120357350511 is an equidigital number, since it uses as much as digits as its factorization.

13120357350511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652222600.

The product of its (nonzero) digits is 47250, while the sum is 37.

The spelling of 13120357350511 in words is "thirteen trillion, one hundred twenty billion, three hundred fifty-seven million, three hundred fifty thousand, five hundred eleven".