10500105531 has 8 divisors (see below), whose sum is σ = 14209098304. Its totient is φ = 6895591560.

The previous prime is 10500105529. The next prime is 10500105533. The reversal of 10500105531 is 13550100501.

It is an interprime number because it is at equal distance from previous prime (10500105529) and next prime (10500105533).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10500105531 - 2¹ = 10500105529 is a prime.

It is a super-2 number, since 2×10500105531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10500105498 and 10500105507.

It is not an unprimeable number, because it can be changed into a prime (10500105533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26119465 + ... + 26119866.

It is an arithmetic number, because the mean of its divisors is an integer number (1776137288).

Almost surely, 2^10500105531 is an apocalyptic number.

10500105531 is a deficient number, since it is larger than the sum of its proper divisors (3708992773).

10500105531 is an equidigital number, since it uses as much as digits as its factorization.

10500105531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52239401.

The product of its (nonzero) digits is 375, while the sum is 21.

It can be divided in two parts, 10500105 and 531, that multiplied together give a palindrome (5575555755).

The spelling of 10500105531 in words is "ten billion, five hundred million, one hundred five thousand, five hundred thirty-one".