245140241443511 has 4 divisors (see below), whose sum is σ = 245143603701024. Its totient is φ = 245136879186000.

The previous prime is 245140241443459. The next prime is 245140241443561. The reversal of 245140241443511 is 115344142041542.

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 245140241443511 - 2²⁶ = 245140174334647 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 (245140241443561) 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, 1681019390 + ... + 1681165211.

It is an arithmetic number, because the mean of its divisors is an integer number (61285900925256).

Almost surely, 2^{245140241443511} is an apocalyptic number.

245140241443511 is a deficient number, since it is larger than the sum of its proper divisors (3362257513).

245140241443511 is an equidigital number, since it uses as much as digits as its factorization.

245140241443511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362257512.

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 245140241443511 in words is "two hundred forty-five trillion, one hundred forty billion, two hundred forty-one million, four hundred forty-three thousand, five hundred eleven".