11910049 has 4 divisors (see below), whose sum is σ = 12200580. Its totient is φ = 11619520.

The previous prime is 11910043. The next prime is 11910053. The reversal of 11910049 is 94001911.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5499025 + 6411024 = 2345^2 + 2532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11910049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11910043) 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, 145204 + ... + 145285.

It is an arithmetic number, because the mean of its divisors is an integer number (3050145).

Almost surely, 2^11910049 is an apocalyptic number.

It is an amenable number.

11910049 is a deficient number, since it is larger than the sum of its proper divisors (290531).

11910049 is an equidigital number, since it uses as much as digits as its factorization.

11910049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290530.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11910049 is about 3451.0938845531. The cubic root of 11910049 is about 228.3693676887.

It can be divided in two parts, 119 and 10049, that multiplied together give a triangular number (1195831 = T₁₅₄₆).

The spelling of 11910049 in words is "eleven million, nine hundred ten thousand, forty-nine".