15020495243 has 4 divisors (see below), whose sum is σ = 16175917968. Its totient is φ = 13865072520.

The previous prime is 15020495227. The next prime is 15020495261. The reversal of 15020495243 is 34259402051.

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

It is not a de Polignac number, because 15020495243 - 2⁴ = 15020495227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15020495213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577711343 + ... + 577711368.

It is an arithmetic number, because the mean of its divisors is an integer number (4043979492).

Almost surely, 2^15020495243 is an apocalyptic number.

15020495243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15020495243 is a deficient number, since it is larger than the sum of its proper divisors (1155422725).

15020495243 is a wasteful number, since it uses less digits than its factorization.

15020495243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155422724.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 15020495243 its reverse (34259402051), we get a palindrome (49279897294).

The spelling of 15020495243 in words is "fifteen billion, twenty million, four hundred ninety-five thousand, two hundred forty-three".