245403243552115 has 16 divisors (see below), whose sum is σ = 321308868242016. Its totient is φ = 178445245638400.

The previous prime is 245403243552097. The next prime is 245403243552121. The reversal of 245403243552115 is 511255342304542.

It is a de Polignac number, because none of the positive numbers 2^k-245403243552115 is a prime.

It is a Duffinian number.

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, 372675322 + ... + 373333231.

It is an arithmetic number, because the mean of its divisors is an integer number (20081804265126).

Almost surely, 2^{245403243552115} is an apocalyptic number.

245403243552115 is a deficient number, since it is larger than the sum of its proper divisors (75905624689901).

245403243552115 is a wasteful number, since it uses less digits than its factorization.

245403243552115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746014550.

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 245403243552115 its reverse (511255342304542), we get a palindrome (756658585856657).

The spelling of 245403243552115 in words is "two hundred forty-five trillion, four hundred three billion, two hundred forty-three million, five hundred fifty-two thousand, one hundred fifteen".