10505512502125 has 8 divisors (see below), whose sum is σ = 13110879602808. Its totient is φ = 8404410001600.

The previous prime is 10505512502119. The next prime is 10505512502143. The reversal of 10505512502125 is 52120521550501.

It can be written as a sum of positive squares in 4 ways, for example, as 18757219849 + 10486755282276 = 136957^2 + 3238326^2 .

It is not a de Polignac number, because 10505512502125 - 2¹⁵ = 10505512469357 is a prime.

It is a super-2 number, since 2×10505512502125² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42022049884 + ... + 42022050133.

It is an arithmetic number, because the mean of its divisors is an integer number (1638859950351).

Almost surely, 2^{10505512502125} is an apocalyptic number.

It is an amenable number.

10505512502125 is a deficient number, since it is larger than the sum of its proper divisors (2605367100683).

10505512502125 is an frugal number, since it uses more digits than its factorization.

10505512502125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84044100032 (or 84044100022 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 10505512502125 in words is "ten trillion, five hundred five billion, five hundred twelve million, five hundred two thousand, one hundred twenty-five".