10199555771 has 2 divisors, whose sum is σ = 10199555772. Its totient is φ = 10199555770.

The previous prime is 10199555759. The next prime is 10199555783. The reversal of 10199555771 is 17755599101.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10199555759) and next prime (10199555783).

It is a cyclic number.

It is not a de Polignac number, because 10199555771 - 2²² = 10195361467 is a prime.

It is not a weakly prime, because it can be changed into another prime (10199525771) 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, 5099777885 + 5099777886.

It is an arithmetic number, because the mean of its divisors is an integer number (5099777886).

Almost surely, 2^10199555771 is an apocalyptic number.

10199555771 is a deficient number, since it is larger than the sum of its proper divisors (1).

10199555771 is an equidigital number, since it uses as much as digits as its factorization.

10199555771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 496125, while the sum is 50.

The spelling of 10199555771 in words is "ten billion, one hundred ninety-nine million, five hundred fifty-five thousand, seven hundred seventy-one".