10500657870523 has 4 divisors (see below), whose sum is σ = 10500714524080. Its totient is φ = 10500601216968.

The previous prime is 10500657870511. The next prime is 10500657870541. The reversal of 10500657870523 is 32507875600501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10500657870523 - 2⁹ = 10500657870011 is a prime.

It is a super-2 number, since 2×10500657870523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10500657870323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28047840 + ... + 28419757.

It is an arithmetic number, because the mean of its divisors is an integer number (2625178631020).

Almost surely, 2^{10500657870523} is an apocalyptic number.

10500657870523 is a deficient number, since it is larger than the sum of its proper divisors (56653557).

10500657870523 is an equidigital number, since it uses as much as digits as its factorization.

10500657870523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56653556.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 10500657870523 in words is "ten trillion, five hundred billion, six hundred fifty-seven million, eight hundred seventy thousand, five hundred twenty-three".