320111051491959 has 32 divisors (see below), whose sum is σ = 525311580326400. Its totient is φ = 168849419985792.

The previous prime is 320111051491927. The next prime is 320111051491993. The reversal of 320111051491959 is 959194150111023.

It is not a de Polignac number, because 320111051491959 - 2⁵ = 320111051491927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320111051491159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164887092 + ... + 166817190.

It is an arithmetic number, because the mean of its divisors is an integer number (16415986885200).

Almost surely, 2^{320111051491959} is an apocalyptic number.

320111051491959 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

320111051491959 is a deficient number, since it is larger than the sum of its proper divisors (205200528834441).

320111051491959 is a wasteful number, since it uses less digits than its factorization.

320111051491959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537639.

The product of its (nonzero) digits is 437400, while the sum is 51.

The spelling of 320111051491959 in words is "three hundred twenty trillion, one hundred eleven billion, fifty-one million, four hundred ninety-one thousand, nine hundred fifty-nine".