5555000001061 has 48 divisors (see below), whose sum is σ = 6474097981440. Its totient is φ = 4668939031680.

The previous prime is 5555000001029. The next prime is 5555000001073. The reversal of 5555000001061 is 1601000005555.

It is not a de Polignac number, because 5555000001061 - 2⁵ = 5555000001029 is a prime.

It is a super-2 number, since 2×5555000001061² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555000101061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6262682760 + ... + 6262683646.

It is an arithmetic number, because the mean of its divisors is an integer number (134877041280).

Almost surely, 2^{5555000001061} is an apocalyptic number.

It is an amenable number.

5555000001061 is a deficient number, since it is larger than the sum of its proper divisors (919097980379).

5555000001061 is an equidigital number, since it uses as much as digits as its factorization.

5555000001061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 5555000001061 in words is "five trillion, five hundred fifty-five billion, one thousand, sixty-one".