24871139542 has 16 divisors (see below), whose sum is σ = 38821337280. Its totient is φ = 11940497352.

The previous prime is 24871139521. The next prime is 24871139603. The reversal of 24871139542 is 24593117842.

It is a junction number, because it is equal to n+sod(n) for n = 24871139492 and 24871139501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2445768 + ... + 2455915.

It is an arithmetic number, because the mean of its divisors is an integer number (2426333580).

Almost surely, 2^24871139542 is an apocalyptic number.

24871139542 is a deficient number, since it is larger than the sum of its proper divisors (13950197738).

24871139542 is a wasteful number, since it uses less digits than its factorization.

24871139542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901787.

The product of its digits is 483840, while the sum is 46.

The spelling of 24871139542 in words is "twenty-four billion, eight hundred seventy-one million, one hundred thirty-nine thousand, five hundred forty-two".