13113552004 has 48 divisors (see below), whose sum is σ = 27810760320. Its totient is φ = 5281712640.

The previous prime is 13113551989. The next prime is 13113552007. The reversal of 13113552004 is 40025531131.

It is a happy number.

It is a super-2 number, since 2×13113552004² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13113552004.

It is not an unprimeable number, because it can be changed into a prime (13113552007) 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, 308982 + ... + 348850.

It is an arithmetic number, because the mean of its divisors is an integer number (579390840).

Almost surely, 2^13113552004 is an apocalyptic number.

13113552004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13113552004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13905380160).

13113552004 is an abundant number, since it is smaller than the sum of its proper divisors (14697208316).

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

13113552004 is a wasteful number, since it uses less digits than its factorization.

13113552004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40588 (or 40586 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 13113552004 in words is "thirteen billion, one hundred thirteen million, five hundred fifty-two thousand, four".