551106405632 has 36 divisors (see below), whose sum is σ = 1100511959316. Its totient is φ = 275440005120.

The previous prime is 551106405623. The next prime is 551106405649. The reversal of 551106405632 is 236504601155.

It can be written as a sum of positive squares in 2 ways, for example, as 353387447296 + 197718958336 = 594464^2 + 444656^2 .

It is a congruent number.

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, 183938 + ... + 1065854.

Almost surely, 2^551106405632 is an apocalyptic number.

It is an amenable number.

551106405632 is a deficient number, since it is larger than the sum of its proper divisors (549405553684).

551106405632 is an equidigital number, since it uses as much as digits as its factorization.

551106405632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884374 (or 884360 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 551106405632 in words is "five hundred fifty-one billion, one hundred six million, four hundred five thousand, six hundred thirty-two".