15541035242 has 4 divisors (see below), whose sum is σ = 23311552866. Its totient is φ = 7770517620.

The previous prime is 15541035239. The next prime is 15541035271. The reversal of 15541035242 is 24253014551.

15541035242 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 can be written as a sum of positive squares in only one way, i.e., 15488051401 + 52983841 = 124451^2 + 7279^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15541035199 and 15541035208.

It is an unprimeable number.

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, 3885258809 + ... + 3885258812.

Almost surely, 2^15541035242 is an apocalyptic number.

15541035242 is a deficient number, since it is larger than the sum of its proper divisors (7770517624).

15541035242 is an equidigital number, since it uses as much as digits as its factorization.

15541035242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770517623.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 15541035242 its reverse (24253014551), we get a palindrome (39794049793).

The spelling of 15541035242 in words is "fifteen billion, five hundred forty-one million, thirty-five thousand, two hundred forty-two".