551245325531 has 8 divisors (see below), whose sum is σ = 552171380544. Its totient is φ = 550319485320.

The previous prime is 551245325467. The next prime is 551245325539. The reversal of 551245325531 is 135523542155.

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 551245325531 - 2⁶ = 551245325467 is a prime.

It is a super-2 number, since 2×551245325531² (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 (551245325539) 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, 5575316 + ... + 5673326.

It is an arithmetic number, because the mean of its divisors is an integer number (69021422568).

Almost surely, 2^551245325531 is an apocalyptic number.

551245325531 is a deficient number, since it is larger than the sum of its proper divisors (926055013).

551245325531 is an equidigital number, since it uses as much as digits as its factorization.

551245325531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107401.

The product of its digits is 450000, while the sum is 41.

Adding to 551245325531 its reverse (135523542155), we get a palindrome (686768867686).

The spelling of 551245325531 in words is "five hundred fifty-one billion, two hundred forty-five million, three hundred twenty-five thousand, five hundred thirty-one".