11115643040259 has 16 divisors (see below), whose sum is σ = 15489982492320. Its totient is φ = 7081134842880.

The previous prime is 11115643040233. The next prime is 11115643040273. The reversal of 11115643040259 is 95204034651111.

It is not a de Polignac number, because 11115643040259 - 2¹² = 11115643036163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11115643040259.

It is not an unprimeable number, because it can be changed into a prime (11115643040279) 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, 658579252 + ... + 658596129.

It is an arithmetic number, because the mean of its divisors is an integer number (968123905770).

Almost surely, 2^{11115643040259} is an apocalyptic number.

11115643040259 is a deficient number, since it is larger than the sum of its proper divisors (4374339452061).

11115643040259 is a wasteful number, since it uses less digits than its factorization.

11115643040259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317175510.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 11115643040259 in words is "eleven trillion, one hundred fifteen billion, six hundred forty-three million, forty thousand, two hundred fifty-nine".