1151632011 has 16 divisors (see below), whose sum is σ = 1603079424. Its totient is φ = 734003424.

The previous prime is 1151632007. The next prime is 1151632019. The reversal of 1151632011 is 1102361511.

It is a happy number.

It is not a de Polignac number, because 1151632011 - 2² = 1151632007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151632019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217285 + ... + 222521.

It is an arithmetic number, because the mean of its divisors is an integer number (100192464).

Almost surely, 2^1151632011 is an apocalyptic number.

1151632011 is a deficient number, since it is larger than the sum of its proper divisors (451447413).

1151632011 is a wasteful number, since it uses less digits than its factorization.

1151632011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1151632011 is about 33935.7040740280. The cubic root of 1151632011 is about 1048.1849249624.

Adding to 1151632011 its reverse (1102361511), we get a palindrome (2253993522).

The spelling of 1151632011 in words is "one billion, one hundred fifty-one million, six hundred thirty-two thousand, eleven".