10501222525 has 18 divisors (see below), whose sum is σ = 13383004110. Its totient is φ = 8173897920.

The previous prime is 10501222513. The next prime is 10501222531. The reversal of 10501222525 is 52522210501.

It can be written as a sum of positive squares in 9 ways, for example, as 973315204 + 9527907321 = 31198^2 + 97611^2 .

It is not a de Polignac number, because 10501222525 - 2⁷ = 10501222397 is a prime.

It is a super-2 number, since 2×10501222525² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 10501222525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 119190 + ... + 187639.

Almost surely, 2^10501222525 is an apocalyptic number.

It is an amenable number.

10501222525 is a deficient number, since it is larger than the sum of its proper divisors (2881781585).

10501222525 is an equidigital number, since it uses as much as digits as its factorization.

10501222525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306913 (or 306871 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 10501222525 in words is "ten billion, five hundred one million, two hundred twenty-two thousand, five hundred twenty-five".