5415120520 has 32 divisors (see below), whose sum is σ = 12225631320. Its totient is φ = 2158650880.

The previous prime is 5415120511. The next prime is 5415120527. The reversal of 5415120520 is 250215145.

It can be written as a sum of positive squares in 4 ways, for example, as 5311202884 + 103917636 = 72878^2 + 10194^2 .

It is a super-2 number, since 2×5415120520² = 58647060492250140800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5415120527) 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, 219301 + ... + 242740.

Almost surely, 2^5415120520 is an apocalyptic number.

It is an amenable number.

5415120520 is an abundant number, since it is smaller than the sum of its proper divisors (6810510800).

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

5415120520 is a wasteful number, since it uses less digits than its factorization.

5415120520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462345 (or 462341 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5415120520 is about 73587.5024715474. The cubic root of 5415120520 is about 1756.0466231570.

Adding to 5415120520 its reverse (250215145), we get a palindrome (5665335665).

The spelling of 5415120520 in words is "five billion, four hundred fifteen million, one hundred twenty thousand, five hundred twenty".