1191460011 has 48 divisors (see below), whose sum is σ = 1970144256. Its totient is φ = 627001344.

The previous prime is 1191459949. The next prime is 1191460031. The reversal of 1191460011 is 1100641911.

It is not a de Polignac number, because 1191460011 - 2⁶ = 1191459947 is a prime.

It is a super-3 number, since 3×1191460011³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1191460031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283155 + ... + 287331.

It is an arithmetic number, because the mean of its divisors is an integer number (41044672).

Almost surely, 2^1191460011 is an apocalyptic number.

1191460011 is a deficient number, since it is larger than the sum of its proper divisors (778684245).

1191460011 is a wasteful number, since it uses less digits than its factorization.

1191460011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268 (or 4251 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 1191460011 is about 34517.5319366840. The cubic root of 1191460011 is about 1060.1317063711.

The spelling of 1191460011 in words is "one billion, one hundred ninety-one million, four hundred sixty thousand, eleven".