5515447800687 has 16 divisors (see below), whose sum is σ = 8022753264000. Its totient is φ = 3342577413600.

The previous prime is 5515447800683. The next prime is 5515447800703. The reversal of 5515447800687 is 7860087445155.

It is not a de Polignac number, because 5515447800687 - 2² = 5515447800683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5515447800687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515447800683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2003812 + ... + 3878937.

It is an arithmetic number, because the mean of its divisors is an integer number (501422079000).

Almost surely, 2^{5515447800687} is an apocalyptic number.

5515447800687 is a deficient number, since it is larger than the sum of its proper divisors (2507305463313).

5515447800687 is a wasteful number, since it uses less digits than its factorization.

5515447800687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911174.

The product of its (nonzero) digits is 37632000, while the sum is 60.

The spelling of 5515447800687 in words is "five trillion, five hundred fifteen billion, four hundred forty-seven million, eight hundred thousand, six hundred eighty-seven".