15320005451 has 4 divisors (see below), whose sum is σ = 15468743472. Its totient is φ = 15171267432.

The previous prime is 15320005427. The next prime is 15320005469. The reversal of 15320005451 is 15450002351.

15320005451 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 is a cyclic number.

It is not a de Polignac number, because 15320005451 - 2³⁰ = 14246263627 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 15320005451.

It is not an unprimeable number, because it can be changed into a prime (15320005751) by changing a digit.

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, 74368856 + ... + 74369061.

It is an arithmetic number, because the mean of its divisors is an integer number (3867185868).

Almost surely, 2^15320005451 is an apocalyptic number.

15320005451 is a deficient number, since it is larger than the sum of its proper divisors (148738021).

15320005451 is a wasteful number, since it uses less digits than its factorization.

15320005451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148738020.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 15320005451 in words is "fifteen billion, three hundred twenty million, five thousand, four hundred fifty-one".