551106005506 has 8 divisors (see below), whose sum is σ = 944753152320. Its totient is φ = 236188288068.

The previous prime is 551106005497. The next prime is 551106005521. The reversal of 551106005506 is 605500601155.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19682357326 + ... + 19682357353.

It is an arithmetic number, because the mean of its divisors is an integer number (118094144040).

Almost surely, 2^551106005506 is an apocalyptic number.

551106005506 is a deficient number, since it is larger than the sum of its proper divisors (393647146814).

551106005506 is a wasteful number, since it uses less digits than its factorization.

551106005506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39364714688.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 551106005506 in words is "five hundred fifty-one billion, one hundred six million, five thousand, five hundred six".