15719875253 has 4 divisors (see below), whose sum is σ = 15977578188. Its totient is φ = 15462172320.

The previous prime is 15719875247. The next prime is 15719875267. The reversal of 15719875253 is 35257891751.

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 4825108369 + 10894766884 = 69463^2 + 104378^2 .

It is a cyclic number.

It is not a de Polignac number, because 15719875253 - 2⁸ = 15719874997 is a prime.

It is a super-2 number, since 2×15719875253² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15719875195 and 15719875204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15719875243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128851376 + ... + 128851497.

It is an arithmetic number, because the mean of its divisors is an integer number (3994394547).

Almost surely, 2^15719875253 is an apocalyptic number.

It is an amenable number.

15719875253 is a deficient number, since it is larger than the sum of its proper divisors (257702935).

15719875253 is an equidigital number, since it uses as much as digits as its factorization.

15719875253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257702934.

The product of its digits is 2646000, while the sum is 53.

The spelling of 15719875253 in words is "fifteen billion, seven hundred nineteen million, eight hundred seventy-five thousand, two hundred fifty-three".