5555500000001 has 12 divisors (see below), whose sum is σ = 6471198314112. Its totient is φ = 4672010765136.

The previous prime is 5555499999997. The next prime is 5555500000009. The reversal of 5555500000001 is 1000000055555.

It is not a de Polignac number, because 5555500000001 - 2² = 5555499999997 is a prime.

It is a super-2 number, since 2×5555500000001² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5555500000009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141248201 + ... + 141287526.

It is an arithmetic number, because the mean of its divisors is an integer number (539266526176).

Almost surely, 2^{5555500000001} is an apocalyptic number.

It is an amenable number.

5555500000001 is a deficient number, since it is larger than the sum of its proper divisors (915698314111).

5555500000001 is an equidigital number, since it uses as much as digits as its factorization.

5555500000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282535840 (or 282535787 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

Adding to 5555500000001 its reverse (1000000055555), we get a palindrome (6555500055556).

The spelling of 5555500000001 in words is "five trillion, five hundred fifty-five billion, five hundred million, one", and thus it is an aban number.