5556000061001 has 4 divisors (see below), whose sum is σ = 5983384681092. Its totient is φ = 5128615440912.

The previous prime is 5556000060991. The next prime is 5556000061013. The reversal of 5556000061001 is 1001600006555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 228785239225 + 5327214821776 = 478315^2 + 2308076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556000061001 is a prime.

It is a super-2 number, since 2×5556000061001² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5556000069001) 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, 213692310026 + ... + 213692310051.

It is an arithmetic number, because the mean of its divisors is an integer number (1495846170273).

Almost surely, 2^{5556000061001} is an apocalyptic number.

It is an amenable number.

5556000061001 is a deficient number, since it is larger than the sum of its proper divisors (427384620091).

5556000061001 is a wasteful number, since it uses less digits than its factorization.

5556000061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427384620090.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 5556000061001 its reverse (1001600006555), we get a palindrome (6557600067556).

The spelling of 5556000061001 in words is "five trillion, five hundred fifty-six billion, sixty-one thousand, one".