11550206325 has 48 divisors (see below), whose sum is σ = 21844462976. Its totient is φ = 5275238400.

The previous prime is 11550206323. The next prime is 11550206347. The reversal of 11550206325 is 52360205511.

It is a happy number.

It is not a de Polignac number, because 11550206325 - 2¹ = 11550206323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11550206292 and 11550206301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550206323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 595785 + ... + 614865.

Almost surely, 2^11550206325 is an apocalyptic number.

11550206325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11550206325 is a deficient number, since it is larger than the sum of its proper divisors (10294256651).

11550206325 is a wasteful number, since it uses less digits than its factorization.

11550206325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20254 (or 20249 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 11550206325 in words is "eleven billion, five hundred fifty million, two hundred six thousand, three hundred twenty-five".