555561672841 has 4 divisors (see below), whose sum is σ = 634927626112. Its totient is φ = 476195719572.

The previous prime is 555561672793. The next prime is 555561672871. The reversal of 555561672841 is 148276165555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 555561672841 - 2¹¹ = 555561670793 is a prime.

It is a super-2 number, since 2×555561672841² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555561672871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39682976625 + ... + 39682976638.

It is an arithmetic number, because the mean of its divisors is an integer number (158731906528).

Almost surely, 2^555561672841 is an apocalyptic number.

It is an amenable number.

555561672841 is a deficient number, since it is larger than the sum of its proper divisors (79365953271).

555561672841 is an equidigital number, since it uses as much as digits as its factorization.

555561672841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79365953270.

The product of its digits is 10080000, while the sum is 55.

The spelling of 555561672841 in words is "five hundred fifty-five billion, five hundred sixty-one million, six hundred seventy-two thousand, eight hundred forty-one".