252111543542 has 8 divisors (see below), whose sum is σ = 378193362336. Its totient is φ = 126047089432.

The previous prime is 252111543539. The next prime is 252111543601. The reversal of 252111543542 is 245345111252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4304813 + ... + 4362984.

It is an arithmetic number, because the mean of its divisors is an integer number (47274170292).

Almost surely, 2^252111543542 is an apocalyptic number.

252111543542 is a deficient number, since it is larger than the sum of its proper divisors (126081818794).

252111543542 is a wasteful number, since it uses less digits than its factorization.

252111543542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8682342.

The product of its digits is 48000, while the sum is 35.

Adding to 252111543542 its reverse (245345111252), we get a palindrome (497456654794).

The spelling of 252111543542 in words is "two hundred fifty-two billion, one hundred eleven million, five hundred forty-three thousand, five hundred forty-two".