11807232049 has 4 divisors (see below), whose sum is σ = 11808459364. Its totient is φ = 11806004736.

The previous prime is 11807232011. The next prime is 11807232103. The reversal of 11807232049 is 94023270811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94023270811 = 3719 ⋅25281869.

It can be written as a sum of positive squares in 2 ways, for example, as 1114224400 + 10693007649 = 33380^2 + 103407^2 .

It is a cyclic number.

It is not a de Polignac number, because 11807232049 - 2¹⁹ = 11806707761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11807231999 and 11807232017.

It is not an unprimeable number, because it can be changed into a prime (11807232449) 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, 599112 + ... + 618505.

It is an arithmetic number, because the mean of its divisors is an integer number (2952114841).

Almost surely, 2^11807232049 is an apocalyptic number.

It is an amenable number.

11807232049 is a deficient number, since it is larger than the sum of its proper divisors (1227315).

11807232049 is an equidigital number, since it uses as much as digits as its factorization.

11807232049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227314.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 11807232049 in words is "eleven billion, eight hundred seven million, two hundred thirty-two thousand, forty-nine".