551106112311 has 32 divisors (see below), whose sum is σ = 825252454400. Its totient is φ = 363455255520.

The previous prime is 551106112307. The next prime is 551106112339. The reversal of 551106112311 is 113211601155.

551106112311 is a `hidden beast` number, since 5 + 5 + 1 + 10 + 611 + 2 + 31 + 1 = 666.

551106112311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551106112311 - 2² = 551106112307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551106112411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1708650 + ... + 2005416.

It is an arithmetic number, because the mean of its divisors is an integer number (25789139200).

Almost surely, 2^551106112311 is an apocalyptic number.

551106112311 is a deficient number, since it is larger than the sum of its proper divisors (274146342089).

551106112311 is a wasteful number, since it uses less digits than its factorization.

551106112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297516 (or 297510 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 551106112311 its reverse (113211601155), we get a palindrome (664317713466).

The spelling of 551106112311 in words is "five hundred fifty-one billion, one hundred six million, one hundred twelve thousand, three hundred eleven".