245507936011 has 4 divisors (see below), whose sum is σ = 264393161872. Its totient is φ = 226622710152.

The previous prime is 245507935993. The next prime is 245507936039. The reversal of 245507936011 is 110639705542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245507936011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245507936111) 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, 9442612911 + ... + 9442612936.

It is an arithmetic number, because the mean of its divisors is an integer number (66098290468).

Almost surely, 2^245507936011 is an apocalyptic number.

245507936011 is a deficient number, since it is larger than the sum of its proper divisors (18885225861).

245507936011 is a wasteful number, since it uses less digits than its factorization.

245507936011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18885225860.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 245507936011 in words is "two hundred forty-five billion, five hundred seven million, nine hundred thirty-six thousand, eleven".