13615000981 has 16 divisors (see below), whose sum is σ = 14415592960. Its totient is φ = 12822954480.

The previous prime is 13615000951. The next prime is 13615001039. The reversal of 13615000981 is 18900051631.

13615000981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13615000981 is a prime.

It is a super-2 number, since 2×13615000981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13615000901) 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, 5799850 + ... + 5802196.

It is an arithmetic number, because the mean of its divisors is an integer number (900974560).

Almost surely, 2^13615000981 is an apocalyptic number.

It is an amenable number.

13615000981 is a deficient number, since it is larger than the sum of its proper divisors (800591979).

13615000981 is a wasteful number, since it uses less digits than its factorization.

13615000981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 13615000981 in words is "thirteen billion, six hundred fifteen million, nine hundred eighty-one", and thus it is an aban number.