13020055333511 has 16 divisors (see below), whose sum is σ = 13288433879520. Its totient is φ = 12752525934720.

The previous prime is 13020055333507. The next prime is 13020055333531. The reversal of 13020055333511 is 11533355002031.

It is a cyclic number.

It is not a de Polignac number, because 13020055333511 - 2² = 13020055333507 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 (13020055333531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189599300 + ... + 189667958.

It is an arithmetic number, because the mean of its divisors is an integer number (830527117470).

Almost surely, 2^{13020055333511} is an apocalyptic number.

13020055333511 is a deficient number, since it is larger than the sum of its proper divisors (268378546009).

13020055333511 is an equidigital number, since it uses as much as digits as its factorization.

13020055333511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74786.

The product of its (nonzero) digits is 20250, while the sum is 32.

The spelling of 13020055333511 in words is "thirteen trillion, twenty billion, fifty-five million, three hundred thirty-three thousand, five hundred eleven".