551179520641 has 24 divisors (see below), whose sum is σ = 576581146560. Its totient is φ = 526698690336.

The previous prime is 551179520629. The next prime is 551179520713. The reversal of 551179520641 is 146025971155.

It is not a de Polignac number, because 551179520641 - 2¹³ = 551179512449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551179520591 and 551179520600.

It is not an unprimeable number, because it can be changed into a prime (551179520741) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 35173090 + ... + 35188756.

It is an arithmetic number, because the mean of its divisors is an integer number (24024214440).

Almost surely, 2^551179520641 is an apocalyptic number.

It is an amenable number.

551179520641 is a deficient number, since it is larger than the sum of its proper divisors (25401625919).

551179520641 is a wasteful number, since it uses less digits than its factorization.

551179520641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16165 (or 16122 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 551179520641 in words is "five hundred fifty-one billion, one hundred seventy-nine million, five hundred twenty thousand, six hundred forty-one".