5551100555011 has 24 divisors (see below), whose sum is σ = 6115470318720. Its totient is φ = 5035013047680.

The previous prime is 5551100554999. The next prime is 5551100555017. The reversal of 5551100555011 is 1105550011555.

It is not a de Polignac number, because 5551100555011 - 2⁹ = 5551100554499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551100555017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119203950 + ... + 119250508.

It is an arithmetic number, because the mean of its divisors is an integer number (254811263280).

Almost surely, 2^{5551100555011} is an apocalyptic number.

5551100555011 is a deficient number, since it is larger than the sum of its proper divisors (564369763709).

5551100555011 is a wasteful number, since it uses less digits than its factorization.

5551100555011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48795 (or 48784 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 34.

Adding to 5551100555011 its reverse (1105550011555), we get a palindrome (6656650566566).

The spelling of 5551100555011 in words is "five trillion, five hundred fifty-one billion, one hundred million, five hundred fifty-five thousand, eleven".