10099256503 has 4 divisors (see below), whose sum is σ = 11542007440. Its totient is φ = 8656505568.

The previous prime is 10099256473. The next prime is 10099256513. The reversal of 10099256503 is 30565299001.

It is a happy number.

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 10099256503 - 2⁵ = 10099256471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10099256513) 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, 721375458 + ... + 721375471.

It is an arithmetic number, because the mean of its divisors is an integer number (2885501860).

Almost surely, 2^10099256503 is an apocalyptic number.

10099256503 is a deficient number, since it is larger than the sum of its proper divisors (1442750937).

10099256503 is an equidigital number, since it uses as much as digits as its factorization.

10099256503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442750936.

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 10099256503 in words is "ten billion, ninety-nine million, two hundred fifty-six thousand, five hundred three".