506111035375644 has 48 divisors (see below), whose sum is σ = 1232274367226112. Its totient is φ = 161368209459072.

The previous prime is 506111035375639. The next prime is 506111035375651. The reversal of 506111035375644 is 446573530111605.

It is a super-2 number, since 2×506111035375644² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86614947 + ... + 92273349.

It is an arithmetic number, because the mean of its divisors is an integer number (25672382650544).

Almost surely, 2^{506111035375644} is an apocalyptic number.

It is an amenable number.

506111035375644 is an abundant number, since it is smaller than the sum of its proper divisors (726163331850468).

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

506111035375644 is a wasteful number, since it uses less digits than its factorization.

506111035375644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982506 (or 5982504 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 506111035375644 in words is "five hundred six trillion, one hundred eleven billion, thirty-five million, three hundred seventy-five thousand, six hundred forty-four".