105105200050 has 24 divisors (see below), whose sum is σ = 196256379636. Its totient is φ = 41878487040.

The previous prime is 105105200029. The next prime is 105105200063. The reversal of 105105200050 is 50002501501.

It can be written as a sum of positive squares in 6 ways, for example, as 95951877121 + 9153322929 = 309761^2 + 95673^2 .

It is a super-2 number, since 2×105105200050² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4076847 + ... + 4102546.

Almost surely, 2^105105200050 is an apocalyptic number.

105105200050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105105200050 is a deficient number, since it is larger than the sum of its proper divisors (91151179586).

105105200050 is a wasteful number, since it uses less digits than its factorization.

105105200050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179662 (or 8179657 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

Adding to 105105200050 its reverse (50002501501), we get a palindrome (155107701551).

The spelling of 105105200050 in words is "one hundred five billion, one hundred five million, two hundred thousand, fifty".