11139299 has 4 divisors (see below), whose sum is σ = 11148480. Its totient is φ = 11130120.

The previous prime is 11139287. The next prime is 11139341. The reversal of 11139299 is 99293111.

11139299 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99293111 = 107 ⋅927973.

It is a cyclic number.

It is not a de Polignac number, because 11139299 - 2¹² = 11135203 is a prime.

It is a super-2 number, since 2×11139299² = 248167964422802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11139229) 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, 2432 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (2787120).

Almost surely, 2^11139299 is an apocalyptic number.

11139299 is a deficient number, since it is larger than the sum of its proper divisors (9181).

11139299 is an equidigital number, since it uses as much as digits as its factorization.

11139299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180.

The product of its digits is 4374, while the sum is 35.

The square root of 11139299 is about 3337.5588384327. The cubic root of 11139299 is about 223.3328563639.

The spelling of 11139299 in words is "eleven million, one hundred thirty-nine thousand, two hundred ninety-nine".