52166315201052 has 72 divisors (see below), whose sum is σ = 132429500434560. Its totient is φ = 15975101862720.

The previous prime is 52166315201029. The next prime is 52166315201059. The reversal of 52166315201052 is 25010251366125.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 52166315201052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52166315201059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60527152 + ... + 61382967.

Almost surely, 2^{52166315201052} is an apocalyptic number.

52166315201052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52166315201052 is an abundant number, since it is smaller than the sum of its proper divisors (80263185233508).

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

52166315201052 is a wasteful number, since it uses less digits than its factorization.

52166315201052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121910363 (or 121910348 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

Adding to 52166315201052 its reverse (25010251366125), we get a palindrome (77176566567177).

The spelling of 52166315201052 in words is "fifty-two trillion, one hundred sixty-six billion, three hundred fifteen million, two hundred one thousand, fifty-two".