1117678801 has 4 divisors (see below), whose sum is σ = 1123854004. Its totient is φ = 1111503600.

The previous prime is 1117678789. The next prime is 1117678817. The reversal of 1117678801 is 1088767111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1088767111 = 881 ⋅1235831.

It can be written as a sum of positive squares in 2 ways, for example, as 184987201 + 932691600 = 13601^2 + 30540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117678801 - 2¹⁹ = 1117154513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117678871) 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, 3087330 + ... + 3087691.

It is an arithmetic number, because the mean of its divisors is an integer number (280963501).

Almost surely, 2^1117678801 is an apocalyptic number.

It is an amenable number.

1117678801 is a deficient number, since it is larger than the sum of its proper divisors (6175203).

1117678801 is an equidigital number, since it uses as much as digits as its factorization.

1117678801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175202.

The product of its (nonzero) digits is 18816, while the sum is 40.

The square root of 1117678801 is about 33431.7035312292. The cubic root of 1117678801 is about 1037.7808948823.

The spelling of 1117678801 in words is "one billion, one hundred seventeen million, six hundred seventy-eight thousand, eight hundred one".