105003545250 has 64 divisors (see below), whose sum is σ = 262265133312. Its totient is φ = 27982112000.

The previous prime is 105003545183. The next prime is 105003545281. The reversal of 105003545250 is 52545300501.

It is a happy number.

It is a super-2 number, since 2×105003545250² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1086922 + ... + 1179578.

It is an arithmetic number, because the mean of its divisors is an integer number (4097892708).

Almost surely, 2^105003545250 is an apocalyptic number.

105003545250 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 105003545250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131132566656).

105003545250 is an abundant number, since it is smaller than the sum of its proper divisors (157261588062).

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

105003545250 is a wasteful number, since it uses less digits than its factorization.

105003545250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94188 (or 94178 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 105003545250 its reverse (52545300501), we get a palindrome (157548845751).

The spelling of 105003545250 in words is "one hundred five billion, three million, five hundred forty-five thousand, two hundred fifty".