245364640111 has 4 divisors (see below), whose sum is σ = 253825489800. Its totient is φ = 236903790424.

The previous prime is 245364640109. The next prime is 245364640163. The reversal of 245364640111 is 111046463542.

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

It is a cyclic number.

It is not a de Polignac number, because 245364640111 - 2¹ = 245364640109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245364740111) 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, 4230424801 + ... + 4230424858.

It is an arithmetic number, because the mean of its divisors is an integer number (63456372450).

Almost surely, 2^245364640111 is an apocalyptic number.

245364640111 is a deficient number, since it is larger than the sum of its proper divisors (8460849689).

245364640111 is an equidigital number, since it uses as much as digits as its factorization.

245364640111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460849688.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 245364640111 in words is "two hundred forty-five billion, three hundred sixty-four million, six hundred forty thousand, one hundred eleven".