11351291 has 12 divisors (see below), whose sum is σ = 13982328. Its totient is φ = 9156672.

The previous prime is 11351287. The next prime is 11351297. The reversal of 11351291 is 19215311.

It is not a de Polignac number, because 11351291 - 2² = 11351287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11351297) 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, 5981 + ... + 7646.

It is an arithmetic number, because the mean of its divisors is an integer number (1165194).

Almost surely, 2^11351291 is an apocalyptic number.

11351291 is a deficient number, since it is larger than the sum of its proper divisors (2631037).

11351291 is a wasteful number, since it uses less digits than its factorization.

11351291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13658 (or 13651 counting only the distinct ones).

The product of its digits is 270, while the sum is 23.

The square root of 11351291 is about 3369.1677013767. The cubic root of 11351291 is about 224.7407120132.

The spelling of 11351291 in words is "eleven million, three hundred fifty-one thousand, two hundred ninety-one".