225158765277 has 4 divisors (see below), whose sum is σ = 300211687040. Its totient is φ = 150105843516.

The previous prime is 225158765243. The next prime is 225158765303. The reversal of 225158765277 is 772567851522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 225158765277 - 2¹¹ = 225158763229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225158761277) 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, 37526460877 + ... + 37526460882.

It is an arithmetic number, because the mean of its divisors is an integer number (75052921760).

Almost surely, 2^225158765277 is an apocalyptic number.

It is an amenable number.

225158765277 is a deficient number, since it is larger than the sum of its proper divisors (75052921763).

225158765277 is an equidigital number, since it uses as much as digits as its factorization.

225158765277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75052921762.

The product of its digits is 16464000, while the sum is 57.

The spelling of 225158765277 in words is "two hundred twenty-five billion, one hundred fifty-eight million, seven hundred sixty-five thousand, two hundred seventy-seven".