551978651119 has 12 divisors (see below), whose sum is σ = 642129411504. Its totient is φ = 473101128864.

The previous prime is 551978651087. The next prime is 551978651141. The reversal of 551978651119 is 911156879155.

It is not a de Polignac number, because 551978651119 - 2⁵ = 551978651087 is a prime.

It is a super-3 number, since 3×551978651119³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551978651179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759739 + ... + 1296595.

It is an arithmetic number, because the mean of its divisors is an integer number (53510784292).

Almost surely, 2^551978651119 is an apocalyptic number.

551978651119 is a deficient number, since it is larger than the sum of its proper divisors (90150760385).

551978651119 is a wasteful number, since it uses less digits than its factorization.

551978651119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557854 (or 557847 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 58.

The spelling of 551978651119 in words is "five hundred fifty-one billion, nine hundred seventy-eight million, six hundred fifty-one thousand, one hundred nineteen".