15663541041 has 12 divisors (see below), whose sum is σ = 22631831040. Its totient is φ = 10439260920.

The previous prime is 15663541037. The next prime is 15663541079. The reversal of 15663541041 is 14014536651.

15663541041 is a `hidden beast` number, since 1 + 5 + 6 + 635 + 4 + 10 + 4 + 1 = 666.

It is not a de Polignac number, because 15663541041 - 2² = 15663541037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15663540987 and 15663541005.

It is not an unprimeable number, because it can be changed into a prime (15663541001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226101 + ... + 287138.

It is an arithmetic number, because the mean of its divisors is an integer number (1885985920).

Almost surely, 2^15663541041 is an apocalyptic number.

It is an amenable number.

15663541041 is a deficient number, since it is larger than the sum of its proper divisors (6968289999).

15663541041 is a wasteful number, since it uses less digits than its factorization.

15663541041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516636 (or 516633 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 15663541041 in words is "fifteen billion, six hundred sixty-three million, five hundred forty-one thousand, forty-one".