15542424205 has 32 divisors (see below), whose sum is σ = 23267761920. Its totient is φ = 9682667520.

The previous prime is 15542424187. The next prime is 15542424229. The reversal of 15542424205 is 50242424551.

It is not a de Polignac number, because 15542424205 - 2⁹ = 15542423693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641451 + ... + 665239.

It is an arithmetic number, because the mean of its divisors is an integer number (727117560).

Almost surely, 2^15542424205 is an apocalyptic number.

It is an amenable number.

15542424205 is a deficient number, since it is larger than the sum of its proper divisors (7725337715).

15542424205 is a wasteful number, since it uses less digits than its factorization.

15542424205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25509.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 15542424205 its reverse (50242424551), we get a palindrome (65784848756).

The spelling of 15542424205 in words is "fifteen billion, five hundred forty-two million, four hundred twenty-four thousand, two hundred five".