11091432051 has 12 divisors (see below), whose sum is σ = 18309665712. Its totient is φ = 6337961136.

The previous prime is 11091432049. The next prime is 11091432089. The reversal of 11091432051 is 15023419011.

It is a happy number.

11091432051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11091432051 - 2¹ = 11091432049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11091432031) 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 11 ways as a sum of consecutive naturals, for example, 88027176 + ... + 88027301.

It is an arithmetic number, because the mean of its divisors is an integer number (1525805476).

Almost surely, 2^11091432051 is an apocalyptic number.

11091432051 is a deficient number, since it is larger than the sum of its proper divisors (7218233661).

11091432051 is a wasteful number, since it uses less digits than its factorization.

11091432051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176054490 (or 176054487 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 11091432051 in words is "eleven billion, ninety-one million, four hundred thirty-two thousand, fifty-one".