320252411313551 has 8 divisors (see below), whose sum is σ = 331523920213200. Its totient is φ = 308996123900800.

The previous prime is 320252411313511. The next prime is 320252411313553. The reversal of 320252411313551 is 155313114252023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320252411313551 - 2³⁰ = 320251337571727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320252411313553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3805328906 + ... + 3805413063.

It is an arithmetic number, because the mean of its divisors is an integer number (41440490026650).

Almost surely, 2^{320252411313551} is an apocalyptic number.

320252411313551 is a deficient number, since it is larger than the sum of its proper divisors (11271508899649).

320252411313551 is a wasteful number, since it uses less digits than its factorization.

320252411313551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610743449.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 320252411313551 its reverse (155313114252023), we get a palindrome (475565525565574).

The spelling of 320252411313551 in words is "three hundred twenty trillion, two hundred fifty-two billion, four hundred eleven million, three hundred thirteen thousand, five hundred fifty-one".