13503631361 has 16 divisors (see below), whose sum is σ = 15588246528. Its totient is φ = 11576888400.

The previous prime is 13503631343. The next prime is 13503631363. The reversal of 13503631361 is 16313630531.

It is not a de Polignac number, because 13503631361 - 2¹⁰ = 13503630337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13503631363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357911 + ... + 393836.

It is an arithmetic number, because the mean of its divisors is an integer number (974265408).

Almost surely, 2^13503631361 is an apocalyptic number.

13503631361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13503631361 is a deficient number, since it is larger than the sum of its proper divisors (2084615167).

13503631361 is a wasteful number, since it uses less digits than its factorization.

13503631361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751852.

The product of its (nonzero) digits is 14580, while the sum is 32.

The spelling of 13503631361 in words is "thirteen billion, five hundred three million, six hundred thirty-one thousand, three hundred sixty-one".