15722253047 has 2 divisors, whose sum is σ = 15722253048. Its totient is φ = 15722253046.

The previous prime is 15722253011. The next prime is 15722253077. The reversal of 15722253047 is 74035222751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15722253047 - 2¹⁰ = 15722252023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15722253047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15722253077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7861126523 + 7861126524.

It is an arithmetic number, because the mean of its divisors is an integer number (7861126524).

Almost surely, 2^15722253047 is an apocalyptic number.

15722253047 is a deficient number, since it is larger than the sum of its proper divisors (1).

15722253047 is an equidigital number, since it uses as much as digits as its factorization.

15722253047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 38.

Adding to 15722253047 its reverse (74035222751), we get a palindrome (89757475798).

The spelling of 15722253047 in words is "fifteen billion, seven hundred twenty-two million, two hundred fifty-three thousand, forty-seven".