515055885120 has 672 divisors, whose sum is σ = 2180854241280. Its totient is φ = 108933672960.

The previous prime is 515055885089. The next prime is 515055885131. The reversal of 515055885120 is 21588550515.

515055885120 is a `hidden beast` number, since 5 + 1 + 5 + 0 + 55 + 88 + 512 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16455085 + ... + 16486355.

Almost surely, 2^515055885120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515055885120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090427120640).

515055885120 is an abundant number, since it is smaller than the sum of its proper divisors (1665798356160).

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

515055885120 is a wasteful number, since it uses less digits than its factorization.

515055885120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31363 (or 31350 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 45.

The spelling of 515055885120 in words is "five hundred fifteen billion, fifty-five million, eight hundred eighty-five thousand, one hundred twenty".