5551061110556 has 48 divisors (see below), whose sum is σ = 10822740230400. Its totient is φ = 2473595615232.

The previous prime is 5551061110549. The next prime is 5551061110561. The reversal of 5551061110556 is 6550111601555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63990860 + ... + 64077548.

It is an arithmetic number, because the mean of its divisors is an integer number (225473754800).

Almost surely, 2^{5551061110556} is an apocalyptic number.

It is an amenable number.

5551061110556 is a deficient number, since it is larger than the sum of its proper divisors (5271679119844).

5551061110556 is a wasteful number, since it uses less digits than its factorization.

5551061110556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129198 (or 129196 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 5551061110556 in words is "five trillion, five hundred fifty-one billion, sixty-one million, one hundred ten thousand, five hundred fifty-six".