52011043503 has 4 divisors (see below), whose sum is σ = 69348058008. Its totient is φ = 34674029000.

The previous prime is 52011043471. The next prime is 52011043559. The reversal of 52011043503 is 30534011025.

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 52011043503 - 2⁵ = 52011043471 is a prime.

It is a super-2 number, since 2×52011043503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52011043573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8668507248 + ... + 8668507253.

It is an arithmetic number, because the mean of its divisors is an integer number (17337014502).

Almost surely, 2^52011043503 is an apocalyptic number.

52011043503 is a deficient number, since it is larger than the sum of its proper divisors (17337014505).

52011043503 is a wasteful number, since it uses less digits than its factorization.

52011043503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17337014504.

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

Adding to 52011043503 its reverse (30534011025), we get a palindrome (82545054528).

The spelling of 52011043503 in words is "fifty-two billion, eleven million, forty-three thousand, five hundred three".