11261099 has 4 divisors (see below), whose sum is σ = 11750736. Its totient is φ = 10771464.

The previous prime is 11261071. The next prime is 11261113. The reversal of 11261099 is 99016211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11261099 - 2¹⁶ = 11195563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11261009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244784 + ... + 244829.

It is an arithmetic number, because the mean of its divisors is an integer number (2937684).

Almost surely, 2^11261099 is an apocalyptic number.

11261099 is a deficient number, since it is larger than the sum of its proper divisors (489637).

11261099 is an equidigital number, since it uses as much as digits as its factorization.

11261099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489636.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 11261099 is about 3355.7560995996. The cubic root of 11261099 is about 224.1439006806.

The spelling of 11261099 in words is "eleven million, two hundred sixty-one thousand, ninety-nine".