13351445504 has 44 divisors (see below), whose sum is σ = 26764934400. Its totient is φ = 6656944128.

The previous prime is 13351445501. The next prime is 13351445507. The reversal of 13351445504 is 40554415331.

It is an interprime number because it is at equal distance from previous prime (13351445501) and next prime (13351445507).

It is a super-2 number, since 2×13351445504² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13351445501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349457 + ... + 385775.

Almost surely, 2^13351445504 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 13351445504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13382467200).

13351445504 is an abundant number, since it is smaller than the sum of its proper divisors (13413488896).

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

13351445504 is an equidigital number, since it uses as much as digits as its factorization.

13351445504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36698 (or 36680 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 13351445504 in words is "thirteen billion, three hundred fifty-one million, four hundred forty-five thousand, five hundred four".