13078115328 has 176 divisors, whose sum is σ = 36221091840. Its totient is φ = 4190822400.

The previous prime is 13078115299. The next prime is 13078115341. The reversal of 13078115328 is 82351187031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18188953 + ... + 18189671.

Almost surely, 2^13078115328 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 13078115328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18110545920).

13078115328 is an abundant number, since it is smaller than the sum of its proper divisors (23142976512).

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

13078115328 is a wasteful number, since it uses less digits than its factorization.

13078115328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 13078115328 in words is "thirteen billion, seventy-eight million, one hundred fifteen thousand, three hundred twenty-eight".