99583151081 has 2 divisors, whose sum is σ = 99583151082. Its totient is φ = 99583151080.

The previous prime is 99583151071. The next prime is 99583151111. The reversal of 99583151081 is 18015138599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89805105625 + 9778045456 = 299675^2 + 98884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99583151081 is a prime.

It is a super-2 number, since 2×99583151081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99583151071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49791575540 + 49791575541.

It is an arithmetic number, because the mean of its divisors is an integer number (49791575541).

Almost surely, 2^99583151081 is an apocalyptic number.

It is an amenable number.

99583151081 is a deficient number, since it is larger than the sum of its proper divisors (1).

99583151081 is an equidigital number, since it uses as much as digits as its factorization.

99583151081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 50.

The spelling of 99583151081 in words is "ninety-nine billion, five hundred eighty-three million, one hundred fifty-one thousand, eighty-one".