225517075519 has 4 divisors (see below), whose sum is σ = 225518148640. Its totient is φ = 225516002400.

The previous prime is 225517075513. The next prime is 225517075523. The reversal of 225517075519 is 915570715522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 225517075519 - 2²³ = 225508686911 is a prime.

It is a super-2 number, since 2×225517075519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225517075513) 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, 106359 + ... + 679960.

It is an arithmetic number, because the mean of its divisors is an integer number (56379537160).

Almost surely, 2^225517075519 is an apocalyptic number.

225517075519 is a deficient number, since it is larger than the sum of its proper divisors (1073121).

225517075519 is an equidigital number, since it uses as much as digits as its factorization.

225517075519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073120.

The product of its (nonzero) digits is 1102500, while the sum is 49.

The spelling of 225517075519 in words is "two hundred twenty-five billion, five hundred seventeen million, seventy-five thousand, five hundred nineteen".