15538473781196 has 48 divisors (see below), whose sum is σ = 28150790857728. Its totient is φ = 7496850974400.

The previous prime is 15538473781169. The next prime is 15538473781213. The reversal of 15538473781196 is 69118737483551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231735251 + ... + 231802293.

It is an arithmetic number, because the mean of its divisors is an integer number (586474809536).

Almost surely, 2^{15538473781196} is an apocalyptic number.

It is an amenable number.

15538473781196 is a deficient number, since it is larger than the sum of its proper divisors (12612317076532).

15538473781196 is a wasteful number, since it uses less digits than its factorization.

15538473781196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72462 (or 72460 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 68.

The spelling of 15538473781196 in words is "fifteen trillion, five hundred thirty-eight billion, four hundred seventy-three million, seven hundred eighty-one thousand, one hundred ninety-six".