10010091918191 has 4 divisors (see below), whose sum is σ = 10024014160800. Its totient is φ = 9996169675584.

The previous prime is 10010091918163. The next prime is 10010091918209. The reversal of 10010091918191 is 19181919001001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10010091918191 - 2³⁸ = 9735214011247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010091918131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6961120226 + ... + 6961121663.

It is an arithmetic number, because the mean of its divisors is an integer number (2506003540200).

Almost surely, 2^{10010091918191} is an apocalyptic number.

10010091918191 is a deficient number, since it is larger than the sum of its proper divisors (13922242609).

10010091918191 is an equidigital number, since it uses as much as digits as its factorization.

10010091918191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922242608.

The product of its (nonzero) digits is 5832, while the sum is 41.

The spelling of 10010091918191 in words is "ten trillion, ten billion, ninety-one million, nine hundred eighteen thousand, one hundred ninety-one".