501155541340122 has 64 divisors (see below), whose sum is σ = 1047061581189120. Its totient is φ = 159609716348544.

The previous prime is 501155541340073. The next prime is 501155541340231. The reversal of 501155541340122 is 221043145551105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6869530798 + ... + 6869603750.

It is an arithmetic number, because the mean of its divisors is an integer number (16360337206080).

Almost surely, 2^{501155541340122} is an apocalyptic number.

501155541340122 is an abundant number, since it is smaller than the sum of its proper divisors (545906039848998).

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

501155541340122 is a wasteful number, since it uses less digits than its factorization.

501155541340122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128067.

The product of its (nonzero) digits is 120000, while the sum is 39.

Adding to 501155541340122 its reverse (221043145551105), we get a palindrome (722198686891227).

The spelling of 501155541340122 in words is "five hundred one trillion, one hundred fifty-five billion, five hundred forty-one million, three hundred forty thousand, one hundred twenty-two".