5511000555040 has 48 divisors (see below), whose sum is σ = 13038312170520. Its totient is φ = 2201255526400.

The previous prime is 5511000554989. The next prime is 5511000555077. The reversal of 5511000555040 is 405550001155.

It can be written as a sum of positive squares in 4 ways, for example, as 5504447976336 + 6552578704 = 2346156^2 + 80948^2 .

It is a super-2 number, since 2×5511000555040² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5511000554993 and 5511000555011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24455425 + ... + 24679744.

Almost surely, 2^{5511000555040} is an apocalyptic number.

It is an amenable number.

5511000555040 is an abundant number, since it is smaller than the sum of its proper divisors (7527311615480).

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

5511000555040 is a wasteful number, since it uses less digits than its factorization.

5511000555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49135885 (or 49135877 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

Adding to 5511000555040 its reverse (405550001155), we get a palindrome (5916550556195).

The spelling of 5511000555040 in words is "five trillion, five hundred eleven billion, five hundred fifty-five thousand, forty".