91104940504 has 8 divisors (see below), whose sum is σ = 170821763460. Its totient is φ = 45552470248.

The previous prime is 91104940501. The next prime is 91104940571. The reversal of 91104940504 is 40504940119.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×91104940504² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91104940501) 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 as a sum of consecutive naturals, namely, 5694058774 + ... + 5694058789.

Almost surely, 2^91104940504 is an apocalyptic number.

It is an amenable number.

91104940504 is a deficient number, since it is larger than the sum of its proper divisors (79716822956).

91104940504 is a wasteful number, since it uses less digits than its factorization.

91104940504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11388117569 (or 11388117565 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 91104940504 in words is "ninety-one billion, one hundred four million, nine hundred forty thousand, five hundred four".