191448055359 has 20 divisors (see below), whose sum is σ = 311989425000. Its totient is φ = 116029123920.

The previous prime is 191448055319. The next prime is 191448055363. The reversal of 191448055359 is 953550844191.

191448055359 is a `hidden beast` number, since 1 + 9 + 1 + 4 + 4 + 80 + 553 + 5 + 9 = 666.

It is not a de Polignac number, because 191448055359 - 2¹¹ = 191448053311 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191448055319) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107433484 + ... + 107435265.

It is an arithmetic number, because the mean of its divisors is an integer number (15599471250).

Almost surely, 2^191448055359 is an apocalyptic number.

191448055359 is a deficient number, since it is larger than the sum of its proper divisors (120541369641).

191448055359 is a wasteful number, since it uses less digits than its factorization.

191448055359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214868772 (or 214868763 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 54.

The spelling of 191448055359 in words is "one hundred ninety-one billion, four hundred forty-eight million, fifty-five thousand, three hundred fifty-nine".