1149959011 has 18 divisors (see below), whose sum is σ = 1218825140. Its totient is φ = 1084926192.

The previous prime is 1149958963. The next prime is 1149959017. The reversal of 1149959011 is 1109599411.

It is not a de Polignac number, because 1149959011 - 2⁷ = 1149958883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149959017) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1857460 + ... + 1858078.

Almost surely, 2^1149959011 is an apocalyptic number.

1149959011 is a deficient number, since it is larger than the sum of its proper divisors (68866129).

1149959011 is an frugal number, since it uses more digits than its factorization.

1149959011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 40.

The square root of 1149959011 is about 33911.0455604070. The cubic root of 1149959011 is about 1047.6771055608.

The spelling of 1149959011 in words is "one billion, one hundred forty-nine million, nine hundred fifty-nine thousand, eleven".