5551061005506 has 16 divisors (see below), whose sum is σ = 11102172737184. Its totient is φ = 1850345214144.

The previous prime is 5551061005471. The next prime is 5551061005517. The reversal of 5551061005506 is 6055001601555.

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, 608535 + ... + 3387098.

It is an arithmetic number, because the mean of its divisors is an integer number (693885796074).

Almost surely, 2^{5551061005506} is an apocalyptic number.

5551061005506 is an abundant number, since it is smaller than the sum of its proper divisors (5551111731678).

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

5551061005506 is a wasteful number, since it uses less digits than its factorization.

5551061005506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227185.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 5551061005506 in words is "five trillion, five hundred fifty-one billion, sixty-one million, five thousand, five hundred six".