13561135064 has 48 divisors (see below), whose sum is σ = 26844743520. Its totient is φ = 6421342400.

The previous prime is 13561135043. The next prime is 13561135079. The reversal of 13561135064 is 46053116531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411569 + ... + 443295.

It is an arithmetic number, because the mean of its divisors is an integer number (559265490).

Almost surely, 2^13561135064 is an apocalyptic number.

It is an amenable number.

13561135064 is a deficient number, since it is larger than the sum of its proper divisors (13283608456).

13561135064 is a wasteful number, since it uses less digits than its factorization.

13561135064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31880 (or 31853 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 13561135064 in words is "thirteen billion, five hundred sixty-one million, one hundred thirty-five thousand, sixty-four".