91133201143 has 2 divisors, whose sum is σ = 91133201144. Its totient is φ = 91133201142.

The previous prime is 91133201069. The next prime is 91133201179. The reversal of 91133201143 is 34110233119.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91133201143 - 2¹⁷ = 91133070071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91133201543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45566600571 + 45566600572.

It is an arithmetic number, because the mean of its divisors is an integer number (45566600572).

Almost surely, 2^91133201143 is an apocalyptic number.

91133201143 is a deficient number, since it is larger than the sum of its proper divisors (1).

91133201143 is an equidigital number, since it uses as much as digits as its factorization.

91133201143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 91133201143 in words is "ninety-one billion, one hundred thirty-three million, two hundred one thousand, one hundred forty-three".