511132130044500 has 96 divisors (see below), whose sum is σ = 1488903027865344. Its totient is φ = 136257371568000.

The previous prime is 511132130044387. The next prime is 511132130044621. The reversal of 511132130044500 is 5440031231115.

It is a super-2 number, since 2×511132130044500² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 51069192 + ... + 60252191.

It is an arithmetic number, because the mean of its divisors is an integer number (15509406540264).

Almost surely, 2^{511132130044500} is an apocalyptic number.

511132130044500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

511132130044500 is an abundant number, since it is smaller than the sum of its proper divisors (977770897820844).

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

511132130044500 is a wasteful number, since it uses less digits than its factorization.

511132130044500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111324466 (or 111324454 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 511132130044500 its reverse (5440031231115), we get a palindrome (516572161275615).

The spelling of 511132130044500 in words is "five hundred eleven trillion, one hundred thirty-two billion, one hundred thirty million, forty-four thousand, five hundred".