11840651239 has 2 divisors, whose sum is σ = 11840651240. Its totient is φ = 11840651238.

The previous prime is 11840651213. The next prime is 11840651243. The reversal of 11840651239 is 93215604811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11840651239 - 2⁷ = 11840651111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11840651209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920325619 + 5920325620.

It is an arithmetic number, because the mean of its divisors is an integer number (5920325620).

Almost surely, 2^11840651239 is an apocalyptic number.

11840651239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11840651239 is an equidigital number, since it uses as much as digits as its factorization.

11840651239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 11840651239 in words is "eleven billion, eight hundred forty million, six hundred fifty-one thousand, two hundred thirty-nine".