1105117811 has 8 divisors (see below), whose sum is σ = 1271357184. Its totient is φ = 940969800.

The previous prime is 1105117801. The next prime is 1105117831. The reversal of 1105117811 is 1187115011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1105117811 - 2⁶ = 1105117747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105117801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521705 + ... + 523818.

It is an arithmetic number, because the mean of its divisors is an integer number (158919648).

Almost surely, 2^1105117811 is an apocalyptic number.

1105117811 is a deficient number, since it is larger than the sum of its proper divisors (166239373).

1105117811 is a wasteful number, since it uses less digits than its factorization.

1105117811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045681.

The product of its (nonzero) digits is 280, while the sum is 26.

The square root of 1105117811 is about 33243.3122748020. The cubic root of 1105117811 is about 1033.8785525682.

The spelling of 1105117811 in words is "one billion, one hundred five million, one hundred seventeen thousand, eight hundred eleven".