551115506346 has 16 divisors (see below), whose sum is σ = 1102683332064. Its totient is φ = 183629782224.

The previous prime is 551115506327. The next prime is 551115506353. The reversal of 551115506346 is 643605511155.

It is a junction number, because it is equal to n+sod(n) for n = 551115506298 and 551115506307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18830800 + ... + 18860043.

It is an arithmetic number, because the mean of its divisors is an integer number (68917708254).

Almost surely, 2^551115506346 is an apocalyptic number.

551115506346 is an abundant number, since it is smaller than the sum of its proper divisors (551567825718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551115506346 is a wasteful number, since it uses less digits than its factorization.

551115506346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37693285.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 551115506346 in words is "five hundred fifty-one billion, one hundred fifteen million, five hundred six thousand, three hundred forty-six".