52116711551 has 4 divisors (see below), whose sum is σ = 52324348104. Its totient is φ = 51909075000.

The previous prime is 52116711503. The next prime is 52116711553. The reversal of 52116711551 is 15511761125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52116711551 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 (52116711553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103817900 + ... + 103818401.

It is an arithmetic number, because the mean of its divisors is an integer number (13081087026).

Almost surely, 2^52116711551 is an apocalyptic number.

52116711551 is a deficient number, since it is larger than the sum of its proper divisors (207636553).

52116711551 is a wasteful number, since it uses less digits than its factorization.

52116711551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207636552.

The product of its digits is 10500, while the sum is 35.

The spelling of 52116711551 in words is "fifty-two billion, one hundred sixteen million, seven hundred eleven thousand, five hundred fifty-one".