15045451205 has 4 divisors (see below), whose sum is σ = 18054541452. Its totient is φ = 12036360960.

The previous prime is 15045451199. The next prime is 15045451217. The reversal of 15045451205 is 50215454051.

15045451205 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 2 ways, for example, as 7794417796 + 7251033409 = 88286^2 + 85153^2 .

It is not a de Polignac number, because 15045451205 - 2⁴ = 15045451189 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1504545116 + ... + 1504545125.

It is an arithmetic number, because the mean of its divisors is an integer number (4513635363).

Almost surely, 2^15045451205 is an apocalyptic number.

It is an amenable number.

15045451205 is a deficient number, since it is larger than the sum of its proper divisors (3009090247).

15045451205 is an equidigital number, since it uses as much as digits as its factorization.

15045451205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009090246.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 15045451205 in words is "fifteen billion, forty-five million, four hundred fifty-one thousand, two hundred five".