52118188551157 has 4 divisors (see below), whose sum is σ = 53799420439936. Its totient is φ = 50436956662380.

The previous prime is 52118188551133. The next prime is 52118188551161. The reversal of 52118188551157 is 75115588181125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52118188551157 - 2¹⁹ = 52118188026869 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 (52118188051157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840615944343 + ... + 840615944404.

It is an arithmetic number, because the mean of its divisors is an integer number (13449855109984).

Almost surely, 2^{52118188551157} is an apocalyptic number.

It is an amenable number.

52118188551157 is a deficient number, since it is larger than the sum of its proper divisors (1681231888779).

52118188551157 is a wasteful number, since it uses less digits than its factorization.

52118188551157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681231888778.

The product of its digits is 4480000, while the sum is 58.

The spelling of 52118188551157 in words is "fifty-two trillion, one hundred eighteen billion, one hundred eighty-eight million, five hundred fifty-one thousand, one hundred fifty-seven".