252101806501838 has 8 divisors (see below), whose sum is σ = 379659294254520. Its totient is φ = 125548708417000.

The previous prime is 252101806501837. The next prime is 252101806501873. The reversal of 252101806501838 is 838105608101252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252101806501837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251097416333 + ... + 251097417336.

It is an arithmetic number, because the mean of its divisors is an integer number (47457411781815).

Almost surely, 2^{252101806501838} is an apocalyptic number.

252101806501838 is a deficient number, since it is larger than the sum of its proper divisors (127557487752682).

252101806501838 is a wasteful number, since it uses less digits than its factorization.

252101806501838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502194833922.

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 252101806501838 in words is "two hundred fifty-two trillion, one hundred one billion, eight hundred six million, five hundred one thousand, eight hundred thirty-eight".