13080537781 has 8 divisors (see below), whose sum is σ = 13180336128. Its totient is φ = 12981066000.

The previous prime is 13080537763. The next prime is 13080537857. The reversal of 13080537781 is 18773508031.

13080537781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13080537781 - 2⁷ = 13080537653 is a prime.

It is a super-2 number, since 2×13080537781² (a number of 21 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 (13080537881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 161746.

It is an arithmetic number, because the mean of its divisors is an integer number (1647542016).

Almost surely, 2^13080537781 is an apocalyptic number.

It is an amenable number.

13080537781 is a deficient number, since it is larger than the sum of its proper divisors (99798347).

13080537781 is a wasteful number, since it uses less digits than its factorization.

13080537781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163283.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 13080537781 in words is "thirteen billion, eighty million, five hundred thirty-seven thousand, seven hundred eighty-one".