52511111515 has 8 divisors (see below), whose sum is σ = 65753044128. Its totient is φ = 40182415680.

The previous prime is 52511111503. The next prime is 52511111519. The reversal of 52511111515 is 51511111525.

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

It is not a de Polignac number, because 52511111515 - 2¹⁷ = 52510980443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52511111519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228309066 + ... + 228309295.

It is an arithmetic number, because the mean of its divisors is an integer number (8219130516).

Almost surely, 2^52511111515 is an apocalyptic number.

52511111515 is a deficient number, since it is larger than the sum of its proper divisors (13241932613).

52511111515 is a wasteful number, since it uses less digits than its factorization.

52511111515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456618389.

The product of its digits is 1250, while the sum is 28.

The spelling of 52511111515 in words is "fifty-two billion, five hundred eleven million, one hundred eleven thousand, five hundred fifteen".