225015515275 has 6 divisors (see below), whose sum is σ = 279019238972. Its totient is φ = 180012412200.

The previous prime is 225015515251. The next prime is 225015515369. The reversal of 225015515275 is 572515510522.

It is a happy number.

It is not a de Polignac number, because 225015515275 - 2⁷ = 225015515147 is a prime.

It is a super-2 number, since 2×225015515275² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4500310281 + ... + 4500310330.

Almost surely, 2^225015515275 is an apocalyptic number.

225015515275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225015515275 is a deficient number, since it is larger than the sum of its proper divisors (54003723697).

225015515275 is an equidigital number, since it uses as much as digits as its factorization.

225015515275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000620621 (or 9000620616 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 225015515275 in words is "two hundred twenty-five billion, fifteen million, five hundred fifteen thousand, two hundred seventy-five".