10125010281 has 4 divisors (see below), whose sum is σ = 13500013712. Its totient is φ = 6750006852.

The previous prime is 10125010277. The next prime is 10125010349. The reversal of 10125010281 is 18201052101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10125010281 - 2² = 10125010277 is a prime.

It is a super-2 number, since 2×10125010281² (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 (10125010271) 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, 1687501711 + ... + 1687501716.

It is an arithmetic number, because the mean of its divisors is an integer number (3375003428).

Almost surely, 2^10125010281 is an apocalyptic number.

It is an amenable number.

10125010281 is a deficient number, since it is larger than the sum of its proper divisors (3375003431).

10125010281 is an equidigital number, since it uses as much as digits as its factorization.

10125010281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375003430.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 10125010281 its reverse (18201052101), we get a palindrome (28326062382).

The spelling of 10125010281 in words is "ten billion, one hundred twenty-five million, ten thousand, two hundred eighty-one".