10125435321 has 8 divisors (see below), whose sum is σ = 15000644960. Its totient is φ = 6750290196.

The previous prime is 10125435311. The next prime is 10125435377. The reversal of 10125435321 is 12353452101.

10125435321 is a `hidden beast` number, since 1 + 0 + 125 + 4 + 3 + 532 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-10125435321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 375016123 = 10125435321 / (1 + 0 + 1 + 2 + 5 + 4 + 3 + 5 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10125435311) 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, 187508035 + ... + 187508088.

It is an arithmetic number, because the mean of its divisors is an integer number (1875080620).

Almost surely, 2^10125435321 is an apocalyptic number.

It is an amenable number.

10125435321 is a deficient number, since it is larger than the sum of its proper divisors (4875209639).

10125435321 is an equidigital number, since it uses as much as digits as its factorization.

10125435321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375016132 (or 375016126 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 10125435321 its reverse (12353452101), we get a palindrome (22478887422).

The spelling of 10125435321 in words is "ten billion, one hundred twenty-five million, four hundred thirty-five thousand, three hundred twenty-one".