1135948911 has 16 divisors (see below), whose sum is σ = 1552588128. Its totient is φ = 738329600.

The previous prime is 1135948871. The next prime is 1135948927. The reversal of 1135948911 is 1198495311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1135948911 - 2⁷ = 1135948783 is a prime.

It is a super-3 number, since 3×1135948911³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135948981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295381 + ... + 299201.

It is an arithmetic number, because the mean of its divisors is an integer number (97036758).

Almost surely, 2^1135948911 is an apocalyptic number.

1135948911 is a deficient number, since it is larger than the sum of its proper divisors (416639217).

1135948911 is a wasteful number, since it uses less digits than its factorization.

1135948911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282.

The product of its digits is 38880, while the sum is 42.

The square root of 1135948911 is about 33703.8411905824. The cubic root of 1135948911 is about 1043.4050472016.

The spelling of 1135948911 in words is "one billion, one hundred thirty-five million, nine hundred forty-eight thousand, nine hundred eleven".