25220313526345 has 8 divisors (see below), whose sum is σ = 34587858550464. Its totient is φ = 17293929275184.

The previous prime is 25220313526297. The next prime is 25220313526351. The reversal of 25220313526345 is 54362531302252.

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

It is a cyclic number.

It is not a de Polignac number, because 25220313526345 - 2⁹ = 25220313525833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360290193199 + ... + 360290193268.

It is an arithmetic number, because the mean of its divisors is an integer number (4323482318808).

Almost surely, 2^{25220313526345} is an apocalyptic number.

It is an amenable number.

25220313526345 is a deficient number, since it is larger than the sum of its proper divisors (9367545024119).

25220313526345 is an equidigital number, since it uses as much as digits as its factorization.

25220313526345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720580386479.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 25220313526345 its reverse (54362531302252), we get a palindrome (79582844828597).

The spelling of 25220313526345 in words is "twenty-five trillion, two hundred twenty billion, three hundred thirteen million, five hundred twenty-six thousand, three hundred forty-five".