10124320513 has 4 divisors (see below), whose sum is σ = 10127194560. Its totient is φ = 10121446468.

The previous prime is 10124320469. The next prime is 10124320519. The reversal of 10124320513 is 31502342101.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10124320513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10124320519) 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, 1431733 + ... + 1438786.

It is an arithmetic number, because the mean of its divisors is an integer number (2531798640).

Almost surely, 2^10124320513 is an apocalyptic number.

It is an amenable number.

10124320513 is a deficient number, since it is larger than the sum of its proper divisors (2874047).

10124320513 is an equidigital number, since it uses as much as digits as its factorization.

10124320513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874046.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10124320513 its reverse (31502342101), we get a palindrome (41626662614).

The spelling of 10124320513 in words is "ten billion, one hundred twenty-four million, three hundred twenty thousand, five hundred thirteen".