5515187456 has 72 divisors (see below), whose sum is σ = 11697648480. Its totient is φ = 2587797504.

The previous prime is 5515187453. The next prime is 5515187467. The reversal of 5515187456 is 6547815155.

It is a self number, because there is not a number n which added to its sum of digits gives 5515187456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515187453) 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, 515150 + ... + 525746.

It is an arithmetic number, because the mean of its divisors is an integer number (162467340).

Almost surely, 2^5515187456 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 5515187456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5848824240).

5515187456 is an abundant number, since it is smaller than the sum of its proper divisors (6182461024).

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

5515187456 is a wasteful number, since it uses less digits than its factorization.

5515187456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10739 (or 10725 counting only the distinct ones).

The product of its digits is 840000, while the sum is 47.

The square root of 5515187456 is about 74264.3080894180. The cubic root of 5515187456 is about 1766.7974323206.

The spelling of 5515187456 in words is "five billion, five hundred fifteen million, one hundred eighty-seven thousand, four hundred fifty-six".