245343314011505 has 4 divisors (see below), whose sum is σ = 294411976813812. Its totient is φ = 196274651209200.

The previous prime is 245343314011489. The next prime is 245343314011507. The reversal of 245343314011505 is 505110413343542.

245343314011505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 195352531598449 + 49990782413056 = 13976857^2 + 7070416^2 .

It is not a de Polignac number, because 245343314011505 - 2⁴ = 245343314011489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245343314011507) 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, 24534331401146 + ... + 24534331401155.

It is an arithmetic number, because the mean of its divisors is an integer number (73602994203453).

Almost surely, 2^{245343314011505} is an apocalyptic number.

It is an amenable number.

245343314011505 is a deficient number, since it is larger than the sum of its proper divisors (49068662802307).

245343314011505 is an equidigital number, since it uses as much as digits as its factorization.

245343314011505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49068662802306.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 245343314011505 in words is "two hundred forty-five trillion, three hundred forty-three billion, three hundred fourteen million, eleven thousand, five hundred five".