11205520425135 has 80 divisors (see below), whose sum is σ = 20204217000000. Its totient is φ = 5941431834624.

The previous prime is 11205520425109. The next prime is 11205520425161. The reversal of 11205520425135 is 53152402550211.

11205520425135 is a `hidden beast` number, since 1 + 1 + 20 + 552 + 0 + 4 + 2 + 51 + 35 = 666.

It is an interprime number because it is at equal distance from previous prime (11205520425109) and next prime (11205520425161).

It is not a de Polignac number, because 11205520425135 - 2¹¹ = 11205520423087 is a prime.

It is a super-2 number, since 2×11205520425135² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11205520425135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 100607497 + ... + 100718813.

It is an arithmetic number, because the mean of its divisors is an integer number (252552712500).

Almost surely, 2^{11205520425135} is an apocalyptic number.

11205520425135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11205520425135 is a deficient number, since it is larger than the sum of its proper divisors (8998696574865).

11205520425135 is a wasteful number, since it uses less digits than its factorization.

11205520425135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112782 (or 112773 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 11205520425135 its reverse (53152402550211), we get a palindrome (64357922975346).

The spelling of 11205520425135 in words is "eleven trillion, two hundred five billion, five hundred twenty million, four hundred twenty-five thousand, one hundred thirty-five".