320251113045 has 48 divisors (see below), whose sum is σ = 575733150720. Its totient is φ = 170779264704.

The previous prime is 320251113031. The next prime is 320251113109. The reversal of 320251113045 is 540311152023.

320251113045 is a `hidden beast` number, since 320 + 25 + 1 + 11 + 304 + 5 = 666.

It is not a de Polignac number, because 320251113045 - 2⁷ = 320251112917 is a prime.

It is a super-2 number, since 2×320251113045² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 16707607 + ... + 16726763.

It is an arithmetic number, because the mean of its divisors is an integer number (11994440640).

Almost surely, 2^320251113045 is an apocalyptic number.

It is an amenable number.

320251113045 is a deficient number, since it is larger than the sum of its proper divisors (255482037675).

320251113045 is a wasteful number, since it uses less digits than its factorization.

320251113045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32936 (or 32924 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 320251113045 its reverse (540311152023), we get a palindrome (860562265068).

The spelling of 320251113045 in words is "three hundred twenty billion, two hundred fifty-one million, one hundred thirteen thousand, forty-five".