91114321032 has 192 divisors, whose sum is σ = 289337892480. Its totient is φ = 25365851136.

The previous prime is 91114321027. The next prime is 91114321061. The reversal of 91114321032 is 23012341119.

It is a junction number, because it is equal to n+sod(n) for n = 91114320987 and 91114321005.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3038818 + ... + 3068654.

It is an arithmetic number, because the mean of its divisors is an integer number (1506968190).

Almost surely, 2^91114321032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91114321032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144668946240).

91114321032 is an abundant number, since it is smaller than the sum of its proper divisors (198223571448).

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

91114321032 is a wasteful number, since it uses less digits than its factorization.

91114321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30012 (or 30005 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 91114321032 in words is "ninety-one billion, one hundred fourteen million, three hundred twenty-one thousand, thirty-two".