245042415550505 has 16 divisors (see below), whose sum is σ = 311348399685120. Its totient is φ = 184502293930752.

The previous prime is 245042415550489. The next prime is 245042415550547. The reversal of 245042415550505 is 505055514240542.

It is a cyclic number.

It is not a de Polignac number, because 245042415550505 - 2⁴ = 245042415550489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245042415550505.

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, 100575806 + ... + 102983384.

It is an arithmetic number, because the mean of its divisors is an integer number (19459274980320).

Almost surely, 2^{245042415550505} is an apocalyptic number.

It is an amenable number.

245042415550505 is a deficient number, since it is larger than the sum of its proper divisors (66305984134615).

245042415550505 is a wasteful number, since it uses less digits than its factorization.

245042415550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605008.

The product of its (nonzero) digits is 4000000, while the sum is 47.

The spelling of 245042415550505 in words is "two hundred forty-five trillion, forty-two billion, four hundred fifteen million, five hundred fifty thousand, five hundred five".