511101325164 has 96 divisors (see below), whose sum is σ = 1217623680000. Its totient is φ = 166835195136.

The previous prime is 511101325051. The next prime is 511101325171. The reversal of 511101325164 is 461523101115.

It is a super-2 number, since 2×511101325164² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42167497 + ... + 42179615.

It is an arithmetic number, because the mean of its divisors is an integer number (12683580000).

Almost surely, 2^511101325164 is an apocalyptic number.

It is an amenable number.

511101325164 is an abundant number, since it is smaller than the sum of its proper divisors (706522354836).

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

511101325164 is a wasteful number, since it uses less digits than its factorization.

511101325164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12607 (or 12605 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 511101325164 its reverse (461523101115), we get a palindrome (972624426279).

The spelling of 511101325164 in words is "five hundred eleven billion, one hundred one million, three hundred twenty-five thousand, one hundred sixty-four".