551345523361 has 8 divisors (see below), whose sum is σ = 561045549600. Its totient is φ = 541657336800.

The previous prime is 551345523331. The next prime is 551345523373. The reversal of 551345523361 is 163325543155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551345523361 - 2¹⁷ = 551345392289 is a prime.

It is a super-2 number, since 2×551345523361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551345523301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2865940 + ... + 3052261.

It is an arithmetic number, because the mean of its divisors is an integer number (70130693700).

Almost surely, 2^551345523361 is an apocalyptic number.

It is an amenable number.

551345523361 is a deficient number, since it is larger than the sum of its proper divisors (9700026239).

551345523361 is a wasteful number, since it uses less digits than its factorization.

551345523361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919839.

The product of its digits is 810000, while the sum is 43.

The spelling of 551345523361 in words is "five hundred fifty-one billion, three hundred forty-five million, five hundred twenty-three thousand, three hundred sixty-one".