2261155793796 has 27 divisors (see below), whose sum is σ = 5715722174071. Its totient is φ = 753715590504.

The previous prime is 2261155793761. The next prime is 2261155793801. The reversal of 2261155793796 is 6973975511622.

The square root of 2261155793796 is 1503714.

It is a perfect power (a square), and thus also a powerful number.

2261155793796 is a `hidden beast` number, since 2 + 2 + 6 + 1 + 1 + 557 + 9 + 3 + 79 + 6 = 666.

It is a super-2 number, since 2×2261155793796² (a number of 26 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 8 ways as a sum of consecutive naturals, for example, 8896975 + ... + 9147593.

Almost surely, 2^{2261155793796} is an apocalyptic number.

2261155793796 is the 1503714-th square number.

It is an amenable number.

2261155793796 is an abundant number, since it is smaller than the sum of its proper divisors (3454566380275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261155793796 is an frugal number, since it uses more digits than its factorization.

2261155793796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501248 (or 250624 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 63.

The spelling of 2261155793796 in words is "two trillion, two hundred sixty-one billion, one hundred fifty-five million, seven hundred ninety-three thousand, seven hundred ninety-six".