245305032511 has 16 divisors (see below), whose sum is σ = 306971804160. Its totient is φ = 190436179680.

The previous prime is 245305032509. The next prime is 245305032521. The reversal of 245305032511 is 115230503542.

It is a cyclic number.

It is not a de Polignac number, because 245305032511 - 2¹ = 245305032509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245305032521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5900811 + ... + 5942236.

It is an arithmetic number, because the mean of its divisors is an integer number (19185737760).

Almost surely, 2^245305032511 is an apocalyptic number.

245305032511 is a deficient number, since it is larger than the sum of its proper divisors (61666771649).

245305032511 is a wasteful number, since it uses less digits than its factorization.

245305032511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843334.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 245305032511 in words is "two hundred forty-five billion, three hundred five million, thirty-two thousand, five hundred eleven".