91080965623250 has 32 divisors (see below), whose sum is σ = 170504245641600. Its totient is φ = 36432241378800.

The previous prime is 91080965623243. The next prime is 91080965623259. The reversal of 91080965623250 is 5232656908019.

91080965623250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91080965623259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80412347 + ... + 81537153.

It is an arithmetic number, because the mean of its divisors is an integer number (5328257676300).

Almost surely, 2^{91080965623250} is an apocalyptic number.

91080965623250 is a deficient number, since it is larger than the sum of its proper divisors (79423280018350).

91080965623250 is a wasteful number, since it uses less digits than its factorization.

91080965623250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448723 (or 1448713 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 91080965623250 in words is "ninety-one trillion, eighty billion, nine hundred sixty-five million, six hundred twenty-three thousand, two hundred fifty".