91055003203 has 32 divisors (see below), whose sum is σ = 98506195200. Its totient is φ = 83858374656.

The previous prime is 91055003141. The next prime is 91055003243. The reversal of 91055003203 is 30230055019.

It is not a de Polignac number, because 91055003203 - 2²⁹ = 90518132291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91055003243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128427013 + ... + 128427721.

It is an arithmetic number, because the mean of its divisors is an integer number (3078318600).

Almost surely, 2^91055003203 is an apocalyptic number.

91055003203 is a deficient number, since it is larger than the sum of its proper divisors (7451191997).

91055003203 is a wasteful number, since it uses less digits than its factorization.

91055003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 4050, while the sum is 28.

The spelling of 91055003203 in words is "ninety-one billion, fifty-five million, three thousand, two hundred three".