2311540351045 has 4 divisors (see below), whose sum is σ = 2773848421260. Its totient is φ = 1849232280832.

The previous prime is 2311540351037. The next prime is 2311540351061. The reversal of 2311540351045 is 5401530451132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 269479344996 + 2042061006049 = 519114^2 + 1429007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311540351045 - 2³ = 2311540351037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2311540351045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231154035100 + ... + 231154035109.

It is an arithmetic number, because the mean of its divisors is an integer number (693462105315).

Almost surely, 2^{2311540351045} is an apocalyptic number.

It is an amenable number.

2311540351045 is a deficient number, since it is larger than the sum of its proper divisors (462308070215).

2311540351045 is an equidigital number, since it uses as much as digits as its factorization.

2311540351045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462308070214.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 2311540351045 in words is "two trillion, three hundred eleven billion, five hundred forty million, three hundred fifty-one thousand, forty-five".