105235251025 has 6 divisors (see below), whose sum is σ = 130491711302. Its totient is φ = 84188200800.

The previous prime is 105235251019. The next prime is 105235251047. The reversal of 105235251025 is 520152532501.

It can be written as a sum of positive squares in 3 ways, for example, as 927567936 + 104307683089 = 30456^2 + 322967^2 .

It is not a de Polignac number, because 105235251025 - 2⁵ = 105235250993 is a prime.

It is a super-2 number, since 2×105235251025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2104704996 + ... + 2104705045.

Almost surely, 2^105235251025 is an apocalyptic number.

It is an amenable number.

105235251025 is a deficient number, since it is larger than the sum of its proper divisors (25256460277).

105235251025 is an equidigital number, since it uses as much as digits as its factorization.

105235251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209410051 (or 4209410046 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 105235251025 its reverse (520152532501), we get a palindrome (625387783526).

The spelling of 105235251025 in words is "one hundred five billion, two hundred thirty-five million, two hundred fifty-one thousand, twenty-five".