25620233413331 has 4 divisors (see below), whose sum is σ = 25722306056664. Its totient is φ = 25518160770000.

The previous prime is 25620233413319. The next prime is 25620233413351. The reversal of 25620233413331 is 13331433202652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25620233413331 - 2¹⁰ = 25620233412307 is a prime.

It is a super-2 number, since 2×25620233413331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25620233413351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51036321290 + ... + 51036321791.

It is an arithmetic number, because the mean of its divisors is an integer number (6430576514166).

Almost surely, 2^{25620233413331} is an apocalyptic number.

25620233413331 is a deficient number, since it is larger than the sum of its proper divisors (102072643333).

25620233413331 is a wasteful number, since it uses less digits than its factorization.

25620233413331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102072643332.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 25620233413331 its reverse (13331433202652), we get a palindrome (38951666615983).

The spelling of 25620233413331 in words is "twenty-five trillion, six hundred twenty billion, two hundred thirty-three million, four hundred thirteen thousand, three hundred thirty-one".