10500050051 has 4 divisors (see below), whose sum is σ = 11117700072. Its totient is φ = 9882400032.

The previous prime is 10500050027. The next prime is 10500050149. The reversal of 10500050051 is 15005000501.

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 10500050051 - 2²⁶ = 10432941187 is a prime.

It is a super-2 number, since 2×10500050051² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 617650003 = 10500050051 / (1 + 0 + 5 + 0 + 0 + 0 + 5 + 0 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10500055051) 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, 308824985 + ... + 308825018.

It is an arithmetic number, because the mean of its divisors is an integer number (2779425018).

Almost surely, 2^10500050051 is an apocalyptic number.

10500050051 is a deficient number, since it is larger than the sum of its proper divisors (617650021).

10500050051 is an equidigital number, since it uses as much as digits as its factorization.

10500050051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617650020.

The product of its (nonzero) digits is 125, while the sum is 17.

Adding to 10500050051 its reverse (15005000501), we get a palindrome (25505050552).

The spelling of 10500050051 in words is "ten billion, five hundred million, fifty thousand, fifty-one".