11920842767 has 2 divisors, whose sum is σ = 11920842768. Its totient is φ = 11920842766.

The previous prime is 11920842757. The next prime is 11920842811. The reversal of 11920842767 is 76724802911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11920842767 - 2⁴ = 11920842751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11920842737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5960421383 + 5960421384.

It is an arithmetic number, because the mean of its divisors is an integer number (5960421384).

Almost surely, 2^11920842767 is an apocalyptic number.

11920842767 is a deficient number, since it is larger than the sum of its proper divisors (1).

11920842767 is an equidigital number, since it uses as much as digits as its factorization.

11920842767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 11920842767 in words is "eleven billion, nine hundred twenty million, eight hundred forty-two thousand, seven hundred sixty-seven".