1134779811 has 16 divisors (see below), whose sum is σ = 1651442688. Its totient is φ = 687389600.

The previous prime is 1134779791. The next prime is 1134779813. The reversal of 1134779811 is 1189774311.

1134779811 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1134779811 - 2⁶ = 1134779747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1134779813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65041 + ... + 80621.

It is an arithmetic number, because the mean of its divisors is an integer number (103215168).

Almost surely, 2^1134779811 is an apocalyptic number.

1134779811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1134779811 is a deficient number, since it is larger than the sum of its proper divisors (516662877).

1134779811 is a wasteful number, since it uses less digits than its factorization.

1134779811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17802.

The product of its digits is 42336, while the sum is 42.

The square root of 1134779811 is about 33686.4930053575. The cubic root of 1134779811 is about 1043.0469725412.

The spelling of 1134779811 in words is "one billion, one hundred thirty-four million, seven hundred seventy-nine thousand, eight hundred eleven".