15858441272 has 8 divisors (see below), whose sum is σ = 29734577400. Its totient is φ = 7929220632.

The previous prime is 15858441271. The next prime is 15858441293. The reversal of 15858441272 is 27214485851.

15858441272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15858441271) 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 as a sum of consecutive naturals, namely, 991152572 + ... + 991152587.

It is an arithmetic number, because the mean of its divisors is an integer number (3716822175).

Almost surely, 2^15858441272 is an apocalyptic number.

It is an amenable number.

15858441272 is a deficient number, since it is larger than the sum of its proper divisors (13876136128).

15858441272 is a wasteful number, since it uses less digits than its factorization.

15858441272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982305165 (or 1982305161 counting only the distinct ones).

The product of its digits is 716800, while the sum is 47.

The spelling of 15858441272 in words is "fifteen billion, eight hundred fifty-eight million, four hundred forty-one thousand, two hundred seventy-two".