52051620656111 has 4 divisors (see below), whose sum is σ = 52075205443392. Its totient is φ = 52028035868832.

The previous prime is 52051620656107. The next prime is 52051620656117. The reversal of 52051620656111 is 11165602615025.

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 52051620656111 - 2² = 52051620656107 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 (52051620656117) 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, 11792390330 + ... + 11792394743.

It is an arithmetic number, because the mean of its divisors is an integer number (13018801360848).

Almost surely, 2^{52051620656111} is an apocalyptic number.

52051620656111 is a deficient number, since it is larger than the sum of its proper divisors (23584787281).

52051620656111 is a wasteful number, since it uses less digits than its factorization.

52051620656111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23584787280.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 52051620656111 in words is "fifty-two trillion, fifty-one billion, six hundred twenty million, six hundred fifty-six thousand, one hundred eleven".