501158512338 has 16 divisors (see below), whose sum is σ = 1093436754336. Its totient is φ = 151866215840.

The previous prime is 501158512331. The next prime is 501158512343. The reversal of 501158512338 is 833215851105.

It is a self number, because there is not a number n which added to its sum of digits gives 501158512338.

It is not an unprimeable number, because it can be changed into a prime (501158512331) 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, 3796655331 + ... + 3796655462.

It is an arithmetic number, because the mean of its divisors is an integer number (68339797146).

Almost surely, 2^501158512338 is an apocalyptic number.

501158512338 is an abundant number, since it is smaller than the sum of its proper divisors (592278241998).

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

501158512338 is a wasteful number, since it uses less digits than its factorization.

501158512338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593310809.

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 501158512338 in words is "five hundred one billion, one hundred fifty-eight million, five hundred twelve thousand, three hundred thirty-eight".