13017891552 has 192 divisors, whose sum is σ = 35988986880. Its totient is φ = 4115994624.

The previous prime is 13017891547. The next prime is 13017891583. The reversal of 13017891552 is 25519871031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44429518 + ... + 44429810.

It is an arithmetic number, because the mean of its divisors is an integer number (187442640).

Almost surely, 2^13017891552 is an apocalyptic number.

13017891552 is a gapful number since it is divisible by the number (12) 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 13017891552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17994493440).

13017891552 is an abundant number, since it is smaller than the sum of its proper divisors (22971095328).

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

13017891552 is a wasteful number, since it uses less digits than its factorization.

13017891552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 13017891552 in words is "thirteen billion, seventeen million, eight hundred ninety-one thousand, five hundred fifty-two".