11016638291 has 12 divisors (see below), whose sum is σ = 11417932032. Its totient is φ = 10629008544.

The previous prime is 11016638287. The next prime is 11016638293. The reversal of 11016638291 is 19283661011.

It is not a de Polignac number, because 11016638291 - 2² = 11016638287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11016638293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394645 + ... + 1402521.

It is an arithmetic number, because the mean of its divisors is an integer number (951494336).

Almost surely, 2^11016638291 is an apocalyptic number.

11016638291 is a deficient number, since it is larger than the sum of its proper divisors (401293741).

11016638291 is an equidigital number, since it uses as much as digits as its factorization.

11016638291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9598 (or 9569 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 11016638291 in words is "eleven billion, sixteen million, six hundred thirty-eight thousand, two hundred ninety-one".