505750000120 has 32 divisors (see below), whose sum is σ = 1187413045920. Its totient is φ = 193504347520.

The previous prime is 505750000117. The next prime is 505750000127. The reversal of 505750000120 is 21000057505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505750000127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274863211 + ... + 274865050.

It is an arithmetic number, because the mean of its divisors is an integer number (37106657685).

Almost surely, 2^505750000120 is an apocalyptic number.

It is an amenable number.

505750000120 is an abundant number, since it is smaller than the sum of its proper divisors (681663045800).

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

505750000120 is a wasteful number, since it uses less digits than its factorization.

505750000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549728295 (or 549728291 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

Adding to 505750000120 its reverse (21000057505), we get a palindrome (526750057625).

The spelling of 505750000120 in words is "five hundred five billion, seven hundred fifty million, one hundred twenty", and thus it is an aban number.