245312521105 has 16 divisors (see below), whose sum is σ = 295518643200. Its totient is φ = 195487888320.

The previous prime is 245312521067. The next prime is 245312521127. The reversal of 245312521105 is 501125213542.

It is not a de Polignac number, because 245312521105 - 2¹¹ = 245312519057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8480056 + ... + 8508934.

It is an arithmetic number, because the mean of its divisors is an integer number (18469915200).

Almost surely, 2^245312521105 is an apocalyptic number.

It is an amenable number.

245312521105 is a deficient number, since it is larger than the sum of its proper divisors (50206122095).

245312521105 is a wasteful number, since it uses less digits than its factorization.

245312521105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35424.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 245312521105 its reverse (501125213542), we get a palindrome (746437734647).

The spelling of 245312521105 in words is "two hundred forty-five billion, three hundred twelve million, five hundred twenty-one thousand, one hundred five".