605556005551 has 8 divisors (see below), whose sum is σ = 732773653920. Its totient is φ = 488515769088.

The previous prime is 605556005519. The next prime is 605556005567. The reversal of 605556005551 is 155500655506.

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

It is a cyclic number.

It is not a de Polignac number, because 605556005551 - 2⁵ = 605556005519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605556005498 and 605556005507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605556000551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2544352846 + ... + 2544353083.

It is an arithmetic number, because the mean of its divisors is an integer number (91596706740).

Almost surely, 2^605556005551 is an apocalyptic number.

605556005551 is a deficient number, since it is larger than the sum of its proper divisors (127217648369).

605556005551 is a wasteful number, since it uses less digits than its factorization.

605556005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088705953.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 605556005551 in words is "six hundred five billion, five hundred fifty-six million, five thousand, five hundred fifty-one".