515055112 has 32 divisors (see below), whose sum is σ = 1134564480. Its totient is φ = 216106560.

The previous prime is 515055091. The next prime is 515055119. The reversal of 515055112 is 211550515.

It is not an unprimeable number, because it can be changed into a prime (515055119) 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, 223968 + ... + 226255.

It is an arithmetic number, because the mean of its divisors is an integer number (35455140).

Almost surely, 2^515055112 is an apocalyptic number.

515055112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

515055112 is an abundant number, since it is smaller than the sum of its proper divisors (619509368).

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

515055112 is a wasteful number, since it uses less digits than its factorization.

515055112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450253 (or 450249 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 515055112 is about 22694.8256657768. The cubic root of 515055112 is about 801.5880497035.

The spelling of 515055112 in words is "five hundred fifteen million, fifty-five thousand, one hundred twelve".