11240911 has 8 divisors (see below), whose sum is σ = 12296448. Its totient is φ = 10191000.

The previous prime is 11240903. The next prime is 11240917. The reversal of 11240911 is 11904211.

11240911 is a nontrivial binomial coefficient, being equal to C(4742, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11240911 - 2³ = 11240903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3556 + ... + 5926.

It is an arithmetic number, because the mean of its divisors is an integer number (1537056).

Almost surely, 2^11240911 is an apocalyptic number.

11240911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11240911 is the 4741-st triangular number and also the 2371-st hexagonal number.

11240911 is the 1581-st centered nonagonal number.

11240911 is a deficient number, since it is larger than the sum of its proper divisors (1055537).

11240911 is a wasteful number, since it uses less digits than its factorization.

11240911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 11240911 is about 3352.7467843546. The cubic root of 11240911 is about 224.0098781252.

The spelling of 11240911 in words is "eleven million, two hundred forty thousand, nine hundred eleven".