965280055891 has 2 divisors, whose sum is σ = 965280055892. Its totient is φ = 965280055890.

The previous prime is 965280055849. The next prime is 965280055939. The reversal of 965280055891 is 198550082569.

965280055891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 965280055891 - 2⁷ = 965280055763 is a prime.

It is not a weakly prime, because it can be changed into another prime (965280055841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482640027945 + 482640027946.

It is an arithmetic number, because the mean of its divisors is an integer number (482640027946).

Almost surely, 2^965280055891 is an apocalyptic number.

965280055891 is a deficient number, since it is larger than the sum of its proper divisors (1).

965280055891 is an equidigital number, since it uses as much as digits as its factorization.

965280055891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 58.

The spelling of 965280055891 in words is "nine hundred sixty-five billion, two hundred eighty million, fifty-five thousand, eight hundred ninety-one".