22150143765991 has 2 divisors, whose sum is σ = 22150143765992. Its totient is φ = 22150143765990.

The previous prime is 22150143765983. The next prime is 22150143766001. The reversal of 22150143765991 is 19956734105122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22150143765991 - 2³ = 22150143765983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22150143765901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075071882995 + 11075071882996.

It is an arithmetic number, because the mean of its divisors is an integer number (11075071882996).

Almost surely, 2^{22150143765991} is an apocalyptic number.

22150143765991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150143765991 is an equidigital number, since it uses as much as digits as its factorization.

22150143765991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 22150143765991 in words is "twenty-two trillion, one hundred fifty billion, one hundred forty-three million, seven hundred sixty-five thousand, nine hundred ninety-one".