15234881971 has 4 divisors (see below), whose sum is σ = 15237334000. Its totient is φ = 15232429944.

The previous prime is 15234881957. The next prime is 15234881989. The reversal of 15234881971 is 17918843251.

15234881971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15234881971 - 2¹⁷ = 15234750899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15234881911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216671 + ... + 1229128.

It is an arithmetic number, because the mean of its divisors is an integer number (3809333500).

Almost surely, 2^15234881971 is an apocalyptic number.

15234881971 is a deficient number, since it is larger than the sum of its proper divisors (2452029).

15234881971 is an equidigital number, since it uses as much as digits as its factorization.

15234881971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452028.

The product of its digits is 483840, while the sum is 49.

The spelling of 15234881971 in words is "fifteen billion, two hundred thirty-four million, eight hundred eighty-one thousand, nine hundred seventy-one".