8112156265 has 4 divisors (see below), whose sum is σ = 9734587524. Its totient is φ = 6489725008.

The previous prime is 8112156259. The next prime is 8112156277. The reversal of 8112156265 is 5626512118.

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 3412779561 + 4699376704 = 58419^2 + 68552^2 .

It is a cyclic number.

It is not a de Polignac number, because 8112156265 - 2⁵ = 8112156233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811215622 + ... + 811215631.

It is an arithmetic number, because the mean of its divisors is an integer number (2433646881).

Almost surely, 2^8112156265 is an apocalyptic number.

It is an amenable number.

8112156265 is a deficient number, since it is larger than the sum of its proper divisors (1622431259).

8112156265 is a wasteful number, since it uses less digits than its factorization.

8112156265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622431258.

The product of its digits is 28800, while the sum is 37.

The square root of 8112156265 is about 90067.5094859406. The cubic root of 8112156265 is about 2009.3030152751.

The spelling of 8112156265 in words is "eight billion, one hundred twelve million, one hundred fifty-six thousand, two hundred sixty-five".