5511506556060 has 72 divisors (see below), whose sum is σ = 16765597190160. Its totient is φ = 1465571509248.

The previous prime is 5511506556043. The next prime is 5511506556097. The reversal of 5511506556060 is 606556051155.

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

It is a junction number, because it is equal to n+sod(n) for n = 5511506555997 and 5511506556015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43306830 + ... + 43433909.

It is an arithmetic number, because the mean of its divisors is an integer number (232855516530).

Almost surely, 2^{5511506556060} is an apocalyptic number.

It is an amenable number.

5511506556060 is an abundant number, since it is smaller than the sum of its proper divisors (11254090634100).

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

5511506556060 is a wasteful number, since it uses less digits than its factorization.

5511506556060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86741107 (or 86741102 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 5511506556060 in words is "five trillion, five hundred eleven billion, five hundred six million, five hundred fifty-six thousand, sixty".