13503978275 has 12 divisors (see below), whose sum is σ = 16808610192. Its totient is φ = 10762100640.

The previous prime is 13503978263. The next prime is 13503978283. The reversal of 13503978275 is 57287930531.

13503978275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13503978275 - 2²⁴ = 13487201059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1020344 + ... + 1033493.

It is an arithmetic number, because the mean of its divisors is an integer number (1400717516).

Almost surely, 2^13503978275 is an apocalyptic number.

13503978275 is a deficient number, since it is larger than the sum of its proper divisors (3304631917).

13503978275 is a wasteful number, since it uses less digits than its factorization.

13503978275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054110 (or 2054105 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 13503978275 in words is "thirteen billion, five hundred three million, nine hundred seventy-eight thousand, two hundred seventy-five".