15542040241 has 16 divisors (see below), whose sum is σ = 19131884800. Its totient is φ = 12294929088.

The previous prime is 15542040211. The next prime is 15542040257. The reversal of 15542040241 is 14204024551.

It is not a de Polignac number, because 15542040241 - 2¹⁷ = 15541909169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15542040211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753220 + ... + 773578.

It is an arithmetic number, because the mean of its divisors is an integer number (1195742800).

Almost surely, 2^15542040241 is an apocalyptic number.

It is an amenable number.

15542040241 is a deficient number, since it is larger than the sum of its proper divisors (3589844559).

15542040241 is a wasteful number, since it uses less digits than its factorization.

15542040241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28768.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 15542040241 its reverse (14204024551), we get a palindrome (29746064792).

The spelling of 15542040241 in words is "fifteen billion, five hundred forty-two million, forty thousand, two hundred forty-one".