320111051491960 has 64 divisors (see below), whose sum is σ = 721918486080000. Its totient is φ = 127747799609472.

The previous prime is 320111051491927. The next prime is 320111051491993. The reversal of 320111051491960 is 69194150111023.

It is an interprime number because it is at equal distance from previous prime (320111051491927) and next prime (320111051491993).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470953231 + ... + 471632449.

It is an arithmetic number, because the mean of its divisors is an integer number (11279976345000).

Almost surely, 2^{320111051491960} is an apocalyptic number.

It is an amenable number.

320111051491960 is an abundant number, since it is smaller than the sum of its proper divisors (401807434588040).

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

320111051491960 is a wasteful number, since it uses less digits than its factorization.

320111051491960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706508 (or 706504 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 320111051491960 in words is "three hundred twenty trillion, one hundred eleven billion, fifty-one million, four hundred ninety-one thousand, nine hundred sixty".