105250557203 has 4 divisors (see below), whose sum is σ = 114818789688. Its totient is φ = 95682324720.

The previous prime is 105250557197. The next prime is 105250557229. The reversal of 105250557203 is 302755052501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105250557203 - 2¹⁶ = 105250491667 is a prime.

It is a super-2 number, since 2×105250557203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105250557253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4784116226 + ... + 4784116247.

It is an arithmetic number, because the mean of its divisors is an integer number (28704697422).

Almost surely, 2^105250557203 is an apocalyptic number.

105250557203 is a deficient number, since it is larger than the sum of its proper divisors (9568232485).

105250557203 is an equidigital number, since it uses as much as digits as its factorization.

105250557203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9568232484.

The product of its (nonzero) digits is 52500, while the sum is 35.

The spelling of 105250557203 in words is "one hundred five billion, two hundred fifty million, five hundred fifty-seven thousand, two hundred three".