13776531043 has 16 divisors (see below), whose sum is σ = 15922013184. Its totient is φ = 11780728960.

The previous prime is 13776531017. The next prime is 13776531061. The reversal of 13776531043 is 34013567731.

13776531043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13776531043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13776530987 and 13776531005.

It is not an unprimeable number, because it can be changed into a prime (13776531143) 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 15 ways as a sum of consecutive naturals, for example, 325446 + ... + 365332.

It is an arithmetic number, because the mean of its divisors is an integer number (995125824).

Almost surely, 2^13776531043 is an apocalyptic number.

13776531043 is a deficient number, since it is larger than the sum of its proper divisors (2145482141).

13776531043 is a wasteful number, since it uses less digits than its factorization.

13776531043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41762.

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 13776531043 in words is "thirteen billion, seven hundred seventy-six million, five hundred thirty-one thousand, forty-three".