103550002506 has 128 divisors (see below), whose sum is σ = 255932006400. Its totient is φ = 30867091200.

The previous prime is 103550002487. The next prime is 103550002537. The reversal of 103550002506 is 605200055301.

103550002506 is a `hidden beast` number, since 103 + 5 + 50 + 0 + 0 + 2 + 506 = 666.

It is a super-3 number, since 3×103550002506³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 103550002506.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3171975 + ... + 3204453.

It is an arithmetic number, because the mean of its divisors is an integer number (1999468800).

Almost surely, 2^103550002506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103550002506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127966003200).

103550002506 is an abundant number, since it is smaller than the sum of its proper divisors (152382003894).

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

103550002506 is a wasteful number, since it uses less digits than its factorization.

103550002506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32681 (or 32675 counting only the distinct ones).

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

Adding to 103550002506 its reverse (605200055301), we get a palindrome (708750057807).

The spelling of 103550002506 in words is "one hundred three billion, five hundred fifty million, two thousand, five hundred six".