11155242824638 has 64 divisors (see below), whose sum is σ = 19547910144000. Its totient is φ = 4720470847200.

The previous prime is 11155242824629. The next prime is 11155242824653. The reversal of 11155242824638 is 83642824255111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65491203 + ... + 65661313.

It is an arithmetic number, because the mean of its divisors is an integer number (305436096000).

Almost surely, 2^{11155242824638} is an apocalyptic number.

11155242824638 is a deficient number, since it is larger than the sum of its proper divisors (8392667319362).

11155242824638 is a wasteful number, since it uses less digits than its factorization.

11155242824638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172861.

The product of its digits is 3686400, while the sum is 52.

The spelling of 11155242824638 in words is "eleven trillion, one hundred fifty-five billion, two hundred forty-two million, eight hundred twenty-four thousand, six hundred thirty-eight".