11840651111 has 2 divisors, whose sum is σ = 11840651112. Its totient is φ = 11840651110.

The previous prime is 11840651057. The next prime is 11840651117. The reversal of 11840651111 is 11115604811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11840651111 - 2³⁰ = 10766909287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11840651117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920325555 + 5920325556.

It is an arithmetic number, because the mean of its divisors is an integer number (5920325556).

Almost surely, 2^11840651111 is an apocalyptic number.

11840651111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11840651111 is an equidigital number, since it uses as much as digits as its factorization.

11840651111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 29.

The spelling of 11840651111 in words is "eleven billion, eight hundred forty million, six hundred fifty-one thousand, one hundred eleven".