105555403000 has 128 divisors (see below), whose sum is σ = 257499440640. Its totient is φ = 40454400000.

The previous prime is 105555402983. The next prime is 105555403003. The reversal of 105555403000 is 304555501.

It is a super-2 number, since 2×105555403000² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105555403000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105555403003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3114144 + ... + 3147856.

It is an arithmetic number, because the mean of its divisors is an integer number (2011714380).

Almost surely, 2^105555403000 is an apocalyptic number.

105555403000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105555403000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128749720320).

105555403000 is an abundant number, since it is smaller than the sum of its proper divisors (151944037640).

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

105555403000 is a wasteful number, since it uses less digits than its factorization.

105555403000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33866 (or 33852 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

Adding to 105555403000 its reverse (304555501), we get a palindrome (105859958501).

The spelling of 105555403000 in words is "one hundred five billion, five hundred fifty-five million, four hundred three thousand".