10021453503 has 8 divisors (see below), whose sum is σ = 13580986416. Its totient is φ = 6571444800.

The previous prime is 10021453493. The next prime is 10021453553. The reversal of 10021453503 is 30535412001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10021453503 - 2¹⁴ = 10021437119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021453553) 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, 27380838 + ... + 27381203.

It is an arithmetic number, because the mean of its divisors is an integer number (1697623302).

Almost surely, 2^10021453503 is an apocalyptic number.

10021453503 is a deficient number, since it is larger than the sum of its proper divisors (3559532913).

10021453503 is an equidigital number, since it uses as much as digits as its factorization.

10021453503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54762105.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 10021453503 its reverse (30535412001), we get a palindrome (40556865504).

The spelling of 10021453503 in words is "ten billion, twenty-one million, four hundred fifty-three thousand, five hundred three".