15045561015005 has 8 divisors (see below), whose sum is σ = 18495031101624. Its totient is φ = 11742876889600.

The previous prime is 15045561014959. The next prime is 15045561015007. The reversal of 15045561015005 is 50051016554051.

It can be written as a sum of positive squares in 4 ways, for example, as 17634246436 + 15027926768569 = 132794^2 + 3876587^2 .

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

It is not a de Polignac number, because 15045561015005 - 2¹⁶ = 15045560949469 is a prime.

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 15045561015005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15045561015007) 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, 36696490076 + ... + 36696490485.

It is an arithmetic number, because the mean of its divisors is an integer number (2311878887703).

Almost surely, 2^{15045561015005} is an apocalyptic number.

It is an amenable number.

15045561015005 is a deficient number, since it is larger than the sum of its proper divisors (3449470086619).

15045561015005 is an equidigital number, since it uses as much as digits as its factorization.

15045561015005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73392980607.

The product of its (nonzero) digits is 75000, while the sum is 38.

Adding to 15045561015005 its reverse (50051016554051), we get a palindrome (65096577569056).

The spelling of 15045561015005 in words is "fifteen trillion, forty-five billion, five hundred sixty-one million, fifteen thousand, five".