91130120600 has 24 divisors (see below), whose sum is σ = 211877530860. Its totient is φ = 36452048160.

The previous prime is 91130120591. The next prime is 91130120617. The reversal of 91130120600 is 602103119.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227825102 + ... + 227825501.

Almost surely, 2^91130120600 is an apocalyptic number.

It is an amenable number.

91130120600 is an abundant number, since it is smaller than the sum of its proper divisors (120747410260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91130120600 is a wasteful number, since it uses less digits than its factorization.

91130120600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455650619 (or 455650610 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 91130120600 its reverse (602103119), we get a palindrome (91732223719).

The spelling of 91130120600 in words is "ninety-one billion, one hundred thirty million, one hundred twenty thousand, six hundred".