15542241441 has 8 divisors (see below), whose sum is σ = 21006865440. Its totient is φ = 10219555872.

The previous prime is 15542241409. The next prime is 15542241457. The reversal of 15542241441 is 14414224551.

15542241441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15542241441 - 2⁵ = 15542241409 is a prime.

It is a super-2 number, since 2×15542241441² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15542241541) 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 7 ways as a sum of consecutive naturals, for example, 35484351 + ... + 35484788.

It is an arithmetic number, because the mean of its divisors is an integer number (2625858180).

Almost surely, 2^15542241441 is an apocalyptic number.

It is an amenable number.

15542241441 is a deficient number, since it is larger than the sum of its proper divisors (5464623999).

15542241441 is an equidigital number, since it uses as much as digits as its factorization.

15542241441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70969215.

The product of its digits is 25600, while the sum is 33.

Adding to 15542241441 its reverse (14414224551), we get a palindrome (29956465992).

The spelling of 15542241441 in words is "fifteen billion, five hundred forty-two million, two hundred forty-one thousand, four hundred forty-one".