55100560061011 has 4 divisors (see below), whose sum is σ = 55120259942272. Its totient is φ = 55080860179752.

The previous prime is 55100560061003. The next prime is 55100560061051. The reversal of 55100560061011 is 11016006500155.

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

It is a cyclic number.

It is not a de Polignac number, because 55100560061011 - 2³ = 55100560061003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55100560061051) 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, 9849936435 + ... + 9849942028.

It is an arithmetic number, because the mean of its divisors is an integer number (13780064985568).

Almost surely, 2^{55100560061011} is an apocalyptic number.

55100560061011 is a deficient number, since it is larger than the sum of its proper divisors (19699881261).

55100560061011 is a wasteful number, since it uses less digits than its factorization.

55100560061011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19699881260.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 55100560061011 its reverse (11016006500155), we get a palindrome (66116566561166).

The spelling of 55100560061011 in words is "fifty-five trillion, one hundred billion, five hundred sixty million, sixty-one thousand, eleven".