1159900011 has 24 divisors (see below), whose sum is σ = 1764955920. Its totient is φ = 732001536.

The previous prime is 1159899967. The next prime is 1159900031. The reversal of 1159900011 is 1100099511.

It is not a de Polignac number, because 1159900011 - 2²⁷ = 1025682283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1159900031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391311 + ... + 394263.

It is an arithmetic number, because the mean of its divisors is an integer number (73539830).

Almost surely, 2^1159900011 is an apocalyptic number.

1159900011 is a deficient number, since it is larger than the sum of its proper divisors (605055909).

1159900011 is a wasteful number, since it uses less digits than its factorization.

1159900011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275 (or 5272 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 27.

The square root of 1159900011 is about 34057.3048111562. The cubic root of 1159900011 is about 1050.6873839186.

Adding to 1159900011 its reverse (1100099511), we get a palindrome (2259999522).

The spelling of 1159900011 in words is "one billion, one hundred fifty-nine million, nine hundred thousand, eleven".