99010891141 has 2 divisors, whose sum is σ = 99010891142. Its totient is φ = 99010891140.

The previous prime is 99010891081. The next prime is 99010891159. The reversal of 99010891141 is 14119801099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93557068641 + 5453822500 = 305871^2 + 73850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99010891141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99010891181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49505445570 + 49505445571.

It is an arithmetic number, because the mean of its divisors is an integer number (49505445571).

Almost surely, 2^99010891141 is an apocalyptic number.

It is an amenable number.

99010891141 is a deficient number, since it is larger than the sum of its proper divisors (1).

99010891141 is an equidigital number, since it uses as much as digits as its factorization.

99010891141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 43.

The spelling of 99010891141 in words is "ninety-nine billion, ten million, eight hundred ninety-one thousand, one hundred forty-one".