105100555000025 has 12 divisors (see below), whose sum is σ = 140349664215852. Its totient is φ = 77612717538240.

The previous prime is 105100554999991. The next prime is 105100555000037. The reversal of 105100555000025 is 520000555001501.

It can be written as a sum of positive squares in 6 ways, for example, as 612742962841 + 104487812037184 = 782779^2 + 10221928^2 .

It is not a de Polignac number, because 105100555000025 - 2¹⁰ = 105100554999001 is a prime.

It is a super-2 number, since 2×105100555000025² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

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, 161693161214 + ... + 161693161863.

It is an arithmetic number, because the mean of its divisors is an integer number (11695805351321).

Almost surely, 2^{105100555000025} is an apocalyptic number.

It is an amenable number.

105100555000025 is a deficient number, since it is larger than the sum of its proper divisors (35249109215827).

105100555000025 is a wasteful number, since it uses less digits than its factorization.

105100555000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323386323100 (or 323386323095 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The spelling of 105100555000025 in words is "one hundred five trillion, one hundred billion, five hundred fifty-five million, twenty-five", and thus it is an aban number.