320261264425 has 12 divisors (see below), whose sum is σ = 399342543120. Its totient is φ = 254777672720.

The previous prime is 320261264369. The next prime is 320261264447. The reversal of 320261264425 is 524462162023.

It is not a de Polignac number, because 320261264425 - 2¹⁵ = 320261231657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35778907 + ... + 35787856.

It is an arithmetic number, because the mean of its divisors is an integer number (33278545260).

Almost surely, 2^320261264425 is an apocalyptic number.

It is an amenable number.

320261264425 is a deficient number, since it is larger than the sum of its proper divisors (79081278695).

320261264425 is a wasteful number, since it uses less digits than its factorization.

320261264425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71566952 (or 71566947 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 320261264425 in words is "three hundred twenty billion, two hundred sixty-one million, two hundred sixty-four thousand, four hundred twenty-five".