11055215503125 has 36 divisors (see below), whose sum is σ = 19959528328740. Its totient is φ = 5896114920000.

The previous prime is 11055215503091. The next prime is 11055215503133. The reversal of 11055215503125 is 52130551255011.

11055215503125 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 5 + 21 + 5 + 503 + 125 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 8890839026001 + 2164376477124 = 2981751^2 + 1471182^2 .

It is not a de Polignac number, because 11055215503125 - 2⁶ = 11055215503061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11055215503125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 196509040 + ... + 196565289.

It is an arithmetic number, because the mean of its divisors is an integer number (554431342465).

Almost surely, 2^{11055215503125} is an apocalyptic number.

11055215503125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11055215503125 is a deficient number, since it is larger than the sum of its proper divisors (8904312825615).

11055215503125 is an frugal number, since it uses more digits than its factorization.

11055215503125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393074360 (or 393074337 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

Adding to 11055215503125 its reverse (52130551255011), we get a palindrome (63185766758136).

The spelling of 11055215503125 in words is "eleven trillion, fifty-five billion, two hundred fifteen million, five hundred three thousand, one hundred twenty-five".