245861866135 has 16 divisors (see below), whose sum is σ = 300246981120. Its totient is φ = 193233912480.

The previous prime is 245861866099. The next prime is 245861866153. The reversal of 245861866135 is 531668168542.

It is not a de Polignac number, because 245861866135 - 2⁷ = 245861866007 is a prime.

It is a congruent 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, 1123155 + ... + 1324084.

It is an arithmetic number, because the mean of its divisors is an integer number (18765436320).

Almost surely, 2^245861866135 is an apocalyptic number.

245861866135 is a deficient number, since it is larger than the sum of its proper divisors (54385114985).

245861866135 is a wasteful number, since it uses less digits than its factorization.

245861866135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447598.

The product of its digits is 8294400, while the sum is 55.

The spelling of 245861866135 in words is "two hundred forty-five billion, eight hundred sixty-one million, eight hundred sixty-six thousand, one hundred thirty-five".