245040343405115 has 4 divisors (see below), whose sum is σ = 294048412086144. Its totient is φ = 196032274724088.

The previous prime is 245040343405087. The next prime is 245040343405129. The reversal of 245040343405115 is 511504343040542.

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 245040343405115 - 2¹⁰ = 245040343404091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24504034340507 + ... + 24504034340516.

It is an arithmetic number, because the mean of its divisors is an integer number (73512103021536).

Almost surely, 2^{245040343405115} is an apocalyptic number.

245040343405115 is a deficient number, since it is larger than the sum of its proper divisors (49008068681029).

245040343405115 is an equidigital number, since it uses as much as digits as its factorization.

245040343405115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49008068681028.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 245040343405115 its reverse (511504343040542), we get a palindrome (756544686445657).

The spelling of 245040343405115 in words is "two hundred forty-five trillion, forty billion, three hundred forty-three million, four hundred five thousand, one hundred fifteen".