555561160551 has 6 divisors (see below), whose sum is σ = 802477231920. Its totient is φ = 370374107028.

The previous prime is 555561160543. The next prime is 555561160579. The reversal of 555561160551 is 155061165555.

It is not a de Polignac number, because 555561160551 - 2³ = 555561160543 is a prime.

It is a super-2 number, since 2×555561160551² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 555561160497 and 555561160506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555561170551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30864508911 + ... + 30864508928.

It is an arithmetic number, because the mean of its divisors is an integer number (133746205320).

Almost surely, 2^555561160551 is an apocalyptic number.

555561160551 is a deficient number, since it is larger than the sum of its proper divisors (246916071369).

555561160551 is a wasteful number, since it uses less digits than its factorization.

555561160551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61729017845 (or 61729017842 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 555561160551 in words is "five hundred fifty-five billion, five hundred sixty-one million, one hundred sixty thousand, five hundred fifty-one".