245042611505 has 32 divisors (see below), whose sum is σ = 313485883776. Its totient is φ = 183237110784.

The previous prime is 245042611483. The next prime is 245042611579. The reversal of 245042611505 is 505116240542.

It is a cyclic number.

It is not a de Polignac number, because 245042611505 - 2²⁰ = 245041562929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40926122 + ... + 40932108.

It is an arithmetic number, because the mean of its divisors is an integer number (9796433868).

Almost surely, 2^245042611505 is an apocalyptic number.

It is an amenable number.

245042611505 is a deficient number, since it is larger than the sum of its proper divisors (68443272271).

245042611505 is a wasteful number, since it uses less digits than its factorization.

245042611505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 245042611505 in words is "two hundred forty-five billion, forty-two million, six hundred eleven thousand, five hundred five".