10550331225 has 144 divisors (see below), whose sum is σ = 22572126720. Its totient is φ = 4608576000.

The previous prime is 10550331221. The next prime is 10550331241. The reversal of 10550331225 is 52213305501.

It is a happy number.

10550331225 is a `hidden beast` number, since 105 + 5 + 0 + 331 + 225 = 666.

It is not a de Polignac number, because 10550331225 - 2² = 10550331221 is a prime.

It is a super-2 number, since 2×10550331225² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10550331221) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4612032 + ... + 4614318.

It is an arithmetic number, because the mean of its divisors is an integer number (156750880).

Almost surely, 2^10550331225 is an apocalyptic number.

10550331225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10550331225 is an abundant number, since it is smaller than the sum of its proper divisors (12021795495).

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

10550331225 is a wasteful number, since it uses less digits than its factorization.

10550331225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 10550331225 its reverse (52213305501), we get a palindrome (62763636726).

The spelling of 10550331225 in words is "ten billion, five hundred fifty million, three hundred thirty-one thousand, two hundred twenty-five".