10500126553 has 12 divisors (see below), whose sum is σ = 12249054900. Its totient is φ = 8974597632.

The previous prime is 10500126547. The next prime is 10500126577. The reversal of 10500126553 is 35562100501.

It can be written as a sum of positive squares in 2 ways, for example, as 2691223129 + 7808903424 = 51877^2 + 88368^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10500126553 is a prime.

It is a super-2 number, since 2×10500126553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10500126353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286228 + ... + 320821.

It is an arithmetic number, because the mean of its divisors is an integer number (1020754575).

Almost surely, 2^10500126553 is an apocalyptic number.

It is an amenable number.

10500126553 is a deficient number, since it is larger than the sum of its proper divisors (1748928347).

10500126553 is an equidigital number, since it uses as much as digits as its factorization.

10500126553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607416 (or 607409 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 10500126553 in words is "ten billion, five hundred million, one hundred twenty-six thousand, five hundred fifty-three".