551111092779 has 16 divisors (see below), whose sum is σ = 791358754592. Its totient is φ = 339136823808.

The previous prime is 551111092751. The next prime is 551111092937. The reversal of 551111092779 is 977290111155.

It is not a de Polignac number, because 551111092779 - 2⁵ = 551111092747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551111092379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644339 + ... + 1950915.

It is an arithmetic number, because the mean of its divisors is an integer number (49459922162).

Almost surely, 2^551111092779 is an apocalyptic number.

551111092779 is a deficient number, since it is larger than the sum of its proper divisors (240247661813).

551111092779 is a wasteful number, since it uses less digits than its factorization.

551111092779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352686.

The product of its (nonzero) digits is 198450, while the sum is 48.

The spelling of 551111092779 in words is "five hundred fifty-one billion, one hundred eleven million, ninety-two thousand, seven hundred seventy-nine".