11942420867 has 16 divisors (see below), whose sum is σ = 13357370880. Its totient is φ = 10606324512.

The previous prime is 11942420863. The next prime is 11942420869. The reversal of 11942420867 is 76802424911.

11942420867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11942420867 - 2² = 11942420863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11942420863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129593 + ... + 201690.

It is an arithmetic number, because the mean of its divisors is an integer number (834835680).

Almost surely, 2^11942420867 is an apocalyptic number.

11942420867 is a deficient number, since it is larger than the sum of its proper divisors (1414950013).

11942420867 is a wasteful number, since it uses less digits than its factorization.

11942420867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331402.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 11942420867 in words is "eleven billion, nine hundred forty-two million, four hundred twenty thousand, eight hundred sixty-seven".