52021501705158 has 16 divisors (see below), whose sum is σ = 104046043259136. Its totient is φ = 17339993926920.

The previous prime is 52021501705157. The next prime is 52021501705163. The reversal of 52021501705158 is 85150710512025.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52021501705157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126437866 + ... + 126848637.

It is an arithmetic number, because the mean of its divisors is an integer number (6502877703696).

Almost surely, 2^{52021501705158} is an apocalyptic number.

52021501705158 is an abundant number, since it is smaller than the sum of its proper divisors (52024541553978).

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

52021501705158 is a wasteful number, since it uses less digits than its factorization.

52021501705158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253320739.

The product of its (nonzero) digits is 140000, while the sum is 42.

The spelling of 52021501705158 in words is "fifty-two trillion, twenty-one billion, five hundred one million, seven hundred five thousand, one hundred fifty-eight".