13799505516 has 72 divisors (see below), whose sum is σ = 34479708480. Its totient is φ = 4283632224.

The previous prime is 13799505469. The next prime is 13799505529. The reversal of 13799505516 is 61550599731.

It is a super-2 number, since 2×13799505516² (a number of 21 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 784975 + ... + 802361.

It is an arithmetic number, because the mean of its divisors is an integer number (478884840).

Almost surely, 2^13799505516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13799505516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17239854240).

13799505516 is an abundant number, since it is smaller than the sum of its proper divisors (20680202964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13799505516 is a wasteful number, since it uses less digits than its factorization.

13799505516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17531 (or 17470 counting only the distinct ones).

The product of its (nonzero) digits is 1275750, while the sum is 51.

The spelling of 13799505516 in words is "thirteen billion, seven hundred ninety-nine million, five hundred five thousand, five hundred sixteen".