13147809097500 has 1920 divisors, whose sum is σ = 57840685056000. Its totient is φ = 2498428800000.

The previous prime is 13147809097483. The next prime is 13147809097537. The reversal of 13147809097500 is 579090874131.

It is a happy number.

13147809097500 is a `hidden beast` number, since 1 + 3 + 1 + 47 + 8 + 0 + 9 + 0 + 97 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 2863820205 + ... + 2863824795.

It is an arithmetic number, because the mean of its divisors is an integer number (30125356800).

Almost surely, 2^{13147809097500} is an apocalyptic number.

13147809097500 is a gapful number since it is divisible by the number (10) 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 13147809097500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28920342528000).

13147809097500 is an abundant number, since it is smaller than the sum of its proper divisors (44692875958500).

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

13147809097500 is a wasteful number, since it uses less digits than its factorization.

13147809097500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 13147809097500 in words is "thirteen trillion, one hundred forty-seven billion, eight hundred nine million, ninety-seven thousand, five hundred".