11783901229 has 4 divisors (see below), whose sum is σ = 12102385084. Its totient is φ = 11465417376.

The previous prime is 11783901223. The next prime is 11783901277. The reversal of 11783901229 is 92210938711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92210938711 = 179 ⋅515144909.

It can be written as a sum of positive squares in 2 ways, for example, as 4159992004 + 7623909225 = 64498^2 + 87315^2 .

It is a cyclic number.

It is not a de Polignac number, because 11783901229 - 2³ = 11783901221 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 (11783901221) 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, 159241872 + ... + 159241945.

It is an arithmetic number, because the mean of its divisors is an integer number (3025596271).

Almost surely, 2^11783901229 is an apocalyptic number.

It is an amenable number.

11783901229 is a deficient number, since it is larger than the sum of its proper divisors (318483855).

11783901229 is an equidigital number, since it uses as much as digits as its factorization.

11783901229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318483854.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 11783901229 in words is "eleven billion, seven hundred eighty-three million, nine hundred one thousand, two hundred twenty-nine".