52138453157178 has 16 divisors (see below), whose sum is σ = 106701950647776. Its totient is φ = 16975310330160.

The previous prime is 52138453157173. The next prime is 52138453157191. The reversal of 52138453157178 is 87175135483125.

It is not an unprimeable number, because it can be changed into a prime (52138453157173) 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 7 ways as a sum of consecutive naturals, for example, 101043513613 + ... + 101043514128.

It is an arithmetic number, because the mean of its divisors is an integer number (6668871915486).

Almost surely, 2^{52138453157178} is an apocalyptic number.

52138453157178 is an abundant number, since it is smaller than the sum of its proper divisors (54563497490598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52138453157178 is a wasteful number, since it uses less digits than its factorization.

52138453157178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202087027789.

The product of its digits is 28224000, while the sum is 60.

The spelling of 52138453157178 in words is "fifty-two trillion, one hundred thirty-eight billion, four hundred fifty-three million, one hundred fifty-seven thousand, one hundred seventy-eight".