551705225231 has 8 divisors (see below), whose sum is σ = 584164959120. Its totient is φ = 519246211968.

The previous prime is 551705225213. The next prime is 551705225233. The reversal of 551705225231 is 132522507155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551705225231 is a prime.

It is a super-2 number, since 2×551705225231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551705225233) 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, 2968400 + ... + 3148778.

It is an arithmetic number, because the mean of its divisors is an integer number (73020619890).

Almost surely, 2^551705225231 is an apocalyptic number.

551705225231 is a deficient number, since it is larger than the sum of its proper divisors (32459733889).

551705225231 is a wasteful number, since it uses less digits than its factorization.

551705225231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360313.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 551705225231 in words is "five hundred fifty-one billion, seven hundred five million, two hundred twenty-five thousand, two hundred thirty-one".