11611235660325 has 24 divisors (see below), whose sum is σ = 21939706239168. Its totient is φ = 5307993444480.

The previous prime is 11611235660287. The next prime is 11611235660351. The reversal of 11611235660325 is 52306653211611.

It is a happy number.

It is not a de Polignac number, because 11611235660325 - 2²³ = 11611227271717 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 11058319152 + ... + 11058320201.

It is an arithmetic number, because the mean of its divisors is an integer number (914154426632).

Almost surely, 2^{11611235660325} is an apocalyptic number.

11611235660325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11611235660325 is a deficient number, since it is larger than the sum of its proper divisors (10328470578843).

11611235660325 is a wasteful number, since it uses less digits than its factorization.

11611235660325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22116639373 (or 22116639368 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

Adding to 11611235660325 its reverse (52306653211611), we get a palindrome (63917888871936).

The spelling of 11611235660325 in words is "eleven trillion, six hundred eleven billion, two hundred thirty-five million, six hundred sixty thousand, three hundred twenty-five".