511161242422 has 16 divisors (see below), whose sum is σ = 788907751632. Its totient is φ = 248257668960.

The previous prime is 511161242413. The next prime is 511161242479. The reversal of 511161242422 is 224242161115.

It is a super-2 number, since 2×511161242422² (a number of 24 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 7 ways as a sum of consecutive naturals, for example, 16403593 + ... + 16434724.

It is an arithmetic number, because the mean of its divisors is an integer number (49306734477).

Almost surely, 2^511161242422 is an apocalyptic number.

511161242422 is a deficient number, since it is larger than the sum of its proper divisors (277746509210).

511161242422 is a wasteful number, since it uses less digits than its factorization.

511161242422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32838543.

The product of its digits is 7680, while the sum is 31.

The spelling of 511161242422 in words is "five hundred eleven billion, one hundred sixty-one million, two hundred forty-two thousand, four hundred twenty-two".