251334214140542 has 8 divisors (see below), whose sum is σ = 406001422842456. Its totient is φ = 116000406526392.

The previous prime is 251334214140473. The next prime is 251334214140553. The reversal of 251334214140542 is 245041412433152.

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

It is a self number, because there is not a number n which added to its sum of digits gives 251334214140542.

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, 4833350271908 + ... + 4833350271959.

It is an arithmetic number, because the mean of its divisors is an integer number (50750177855307).

Almost surely, 2^{251334214140542} is an apocalyptic number.

251334214140542 is a deficient number, since it is larger than the sum of its proper divisors (154667208701914).

251334214140542 is a wasteful number, since it uses less digits than its factorization.

251334214140542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666700543882.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 251334214140542 its reverse (245041412433152), we get a palindrome (496375626573694).

The spelling of 251334214140542 in words is "two hundred fifty-one trillion, three hundred thirty-four billion, two hundred fourteen million, one hundred forty thousand, five hundred forty-two".