551106111129 has 64 divisors (see below), whose sum is σ = 893032588800. Its totient is φ = 296135460864.

The previous prime is 551106111091. The next prime is 551106111131. The reversal of 551106111129 is 921111601155.

It is not a de Polignac number, because 551106111129 - 2⁸ = 551106110873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551106111129.

It is not an unprimeable number, because it can be changed into a prime (551106111139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215527119 + ... + 215529675.

It is an arithmetic number, because the mean of its divisors is an integer number (13953634200).

Almost surely, 2^551106111129 is an apocalyptic number.

It is an amenable number.

551106111129 is a deficient number, since it is larger than the sum of its proper divisors (341926477671).

551106111129 is a wasteful number, since it uses less digits than its factorization.

551106111129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 33.

The spelling of 551106111129 in words is "five hundred fifty-one billion, one hundred six million, one hundred eleven thousand, one hundred twenty-nine".