5551061005505 has 8 divisors (see below), whose sum is σ = 6670026526824. Its totient is φ = 4435013257600.

The previous prime is 5551061005471. The next prime is 5551061005517. The reversal of 5551061005505 is 5055001601555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32691532864 + 5518369472641 = 180808^2 + 2349121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5551061005505 - 2⁸ = 5551061005249 is a prime.

It is a Duffinian number.

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, 729439166 + ... + 729446775.

It is an arithmetic number, because the mean of its divisors is an integer number (833753315853).

Almost surely, 2^{5551061005505} is an apocalyptic number.

It is an amenable number.

5551061005505 is a deficient number, since it is larger than the sum of its proper divisors (1118965521319).

5551061005505 is a wasteful number, since it uses less digits than its factorization.

5551061005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458886707.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 5551061005505 in words is "five trillion, five hundred fifty-one billion, sixty-one million, five thousand, five hundred five".