13751103561 has 32 divisors (see below), whose sum is σ = 19960469760. Its totient is φ = 8370432000.

The previous prime is 13751103559. The next prime is 13751103571. The reversal of 13751103561 is 16530115731.

It is not a de Polignac number, because 13751103561 - 2¹ = 13751103559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13751103551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1414405 + ... + 1424093.

It is an arithmetic number, because the mean of its divisors is an integer number (623764680).

Almost surely, 2^13751103561 is an apocalyptic number.

It is an amenable number.

13751103561 is a deficient number, since it is larger than the sum of its proper divisors (6209366199).

13751103561 is a wasteful number, since it uses less digits than its factorization.

13751103561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097.

The product of its (nonzero) digits is 9450, while the sum is 33.

The spelling of 13751103561 in words is "thirteen billion, seven hundred fifty-one million, one hundred three thousand, five hundred sixty-one".