103225400550 has 72 divisors (see below), whose sum is σ = 277939650456. Its totient is φ = 27466485120.

The previous prime is 103225400533. The next prime is 103225400563. The reversal of 103225400550 is 55004522301.

It is a happy number.

103225400550 is a `hidden beast` number, since 103 + 2 + 2 + 5 + 4 + 0 + 0 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45324 + ... + 456623.

It is an arithmetic number, because the mean of its divisors is an integer number (3860272923).

Almost surely, 2^103225400550 is an apocalyptic number.

103225400550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103225400550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138969825228).

103225400550 is an abundant number, since it is smaller than the sum of its proper divisors (174714249906).

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

103225400550 is a wasteful number, since it uses less digits than its factorization.

103225400550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502422 (or 502414 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 103225400550 its reverse (55004522301), we get a palindrome (158229922851).

The spelling of 103225400550 in words is "one hundred three billion, two hundred twenty-five million, four hundred thousand, five hundred fifty".