13563340275 has 24 divisors (see below), whose sum is σ = 22434451504. Its totient is φ = 7230643200.

The previous prime is 13563340261. The next prime is 13563340321. The reversal of 13563340275 is 57204336531.

It is not a de Polignac number, because 13563340275 - 2¹⁸ = 13563078131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140235 + ... + 216315.

Almost surely, 2^13563340275 is an apocalyptic number.

13563340275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13563340275 is a deficient number, since it is larger than the sum of its proper divisors (8871111229).

13563340275 is a wasteful number, since it uses less digits than its factorization.

13563340275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78471 (or 78466 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 13563340275 in words is "thirteen billion, five hundred sixty-three million, three hundred forty thousand, two hundred seventy-five".