10500005051 has 4 divisors (see below), whose sum is σ = 10500642504. Its totient is φ = 10499367600.

The previous prime is 10500005039. The next prime is 10500005053. The reversal of 10500005051 is 15050000501.

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 10500005051 - 2⁶ = 10500004987 is a prime.

It is a super-2 number, since 2×10500005051² (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 (10500005053) 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, 293345 + ... + 327186.

It is an arithmetic number, because the mean of its divisors is an integer number (2625160626).

Almost surely, 2^10500005051 is an apocalyptic number.

10500005051 is a deficient number, since it is larger than the sum of its proper divisors (637453).

10500005051 is an equidigital number, since it uses as much as digits as its factorization.

10500005051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637452.

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

Adding to 10500005051 its reverse (15050000501), we get a palindrome (25550005552).

The spelling of 10500005051 in words is "ten billion, five hundred million, five thousand, fifty-one".