15561453041 has 8 divisors (see below), whose sum is σ = 16099553280. Its totient is φ = 15023452752.

The previous prime is 15561452993. The next prime is 15561453073. The reversal of 15561453041 is 14035416551.

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

It is a cyclic number.

It is not a de Polignac number, because 15561453041 - 2²² = 15557258737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15561452992 and 15561453010.

It is not an unprimeable number, because it can be changed into a prime (15561443041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436496 + ... + 470798.

It is an arithmetic number, because the mean of its divisors is an integer number (2012444160).

Almost surely, 2^15561453041 is an apocalyptic number.

It is an amenable number.

15561453041 is a deficient number, since it is larger than the sum of its proper divisors (538100239).

15561453041 is a wasteful number, since it uses less digits than its factorization.

15561453041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49975.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 15561453041 its reverse (14035416551), we get a palindrome (29596869592).

The spelling of 15561453041 in words is "fifteen billion, five hundred sixty-one million, four hundred fifty-three thousand, forty-one".