13345511554331 has 8 divisors (see below), whose sum is σ = 15191728568064. Its totient is φ = 11604792655720.

The previous prime is 13345511554273. The next prime is 13345511554343.

13345511554331 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13345511554331 - 2³⁸ = 13070633647387 is a prime.

It is a super-2 number, since 2×13345511554331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13345511554381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26374528511 + ... + 26374529016.

It is an arithmetic number, because the mean of its divisors is an integer number (1898966071008).

Almost surely, 2^{13345511554331} is an apocalyptic number.

13345511554331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13345511554331 is a deficient number, since it is larger than the sum of its proper divisors (1846217013733).

13345511554331 is a wasteful number, since it uses less digits than its factorization.

13345511554331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52749057561.

The product of its digits is 810000, while the sum is 44.

It can be divided in two parts, 1334551 and 1554331, that added together give a palindrome (2888882).

The spelling of 13345511554331 in words is "thirteen trillion, three hundred forty-five billion, five hundred eleven million, five hundred fifty-four thousand, three hundred thirty-one".