511125152140 has 48 divisors (see below), whose sum is σ = 1137825511200. Its totient is φ = 192199468032.

The previous prime is 511125152107. The next prime is 511125152141. The reversal of 511125152140 is 41251521115.

It is a super-2 number, since 2×511125152140² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511125152099 and 511125152108.

It is not an unprimeable number, because it can be changed into a prime (511125152141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582975 + ... + 1167094.

It is an arithmetic number, because the mean of its divisors is an integer number (23704698150).

Almost surely, 2^511125152140 is an apocalyptic number.

It is an amenable number.

511125152140 is an abundant number, since it is smaller than the sum of its proper divisors (626700359060).

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

511125152140 is a wasteful number, since it uses less digits than its factorization.

511125152140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750954 (or 1750952 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 28.

Adding to 511125152140 its reverse (41251521115), we get a palindrome (552376673255).

The spelling of 511125152140 in words is "five hundred eleven billion, one hundred twenty-five million, one hundred fifty-two thousand, one hundred forty".