11155750242040 has 32 divisors (see below), whose sum is σ = 25163032689360. Its totient is φ = 4451172160000.

The previous prime is 11155750241959. The next prime is 11155750242053. The reversal of 11155750242040 is 4024205755111.

It is a happy number.

11155750242040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347731786 + ... + 347763865.

Almost surely, 2^{11155750242040} is an apocalyptic number.

11155750242040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11155750242040 is an abundant number, since it is smaller than the sum of its proper divisors (14007282447320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11155750242040 is a wasteful number, since it uses less digits than its factorization.

11155750242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695496063 (or 695496059 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 37.

Adding to 11155750242040 its reverse (4024205755111), we get a palindrome (15179955997151).

The spelling of 11155750242040 in words is "eleven trillion, one hundred fifty-five billion, seven hundred fifty million, two hundred forty-two thousand, forty".