10540523503 has 4 divisors (see below), whose sum is σ = 10541782440. Its totient is φ = 10539264568.

The previous prime is 10540523449. The next prime is 10540523537. The reversal of 10540523503 is 30532504501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30532504501 = 1303 ⋅23432467.

It is a cyclic number.

It is not a de Polignac number, because 10540523503 - 2⁹ = 10540522991 is a prime.

It is a super-2 number, since 2×10540523503² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10540523593) 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, 616825 + ... + 633682.

It is an arithmetic number, because the mean of its divisors is an integer number (2635445610).

Almost surely, 2^10540523503 is an apocalyptic number.

10540523503 is a deficient number, since it is larger than the sum of its proper divisors (1258937).

10540523503 is an equidigital number, since it uses as much as digits as its factorization.

10540523503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258936.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 10540523503 in words is "ten billion, five hundred forty million, five hundred twenty-three thousand, five hundred three".