15561044483 has 4 divisors (see below), whose sum is σ = 15721467720. Its totient is φ = 15400621248.

The previous prime is 15561044459. The next prime is 15561044501. The reversal of 15561044483 is 38444016551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15561044483 - 2⁶ = 15561044419 is a prime.

It is a super-2 number, since 2×15561044483² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15561044483.

It is not an unprimeable number, because it can be changed into a prime (15561044683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80211473 + ... + 80211666.

It is an arithmetic number, because the mean of its divisors is an integer number (3930366930).

Almost surely, 2^15561044483 is an apocalyptic number.

15561044483 is a deficient number, since it is larger than the sum of its proper divisors (160423237).

15561044483 is an equidigital number, since it uses as much as digits as its factorization.

15561044483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160423236.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 15561044483 in words is "fifteen billion, five hundred sixty-one million, forty-four thousand, four hundred eighty-three".