551582348991 has 16 divisors (see below), whose sum is σ = 746768784384. Its totient is φ = 362063870784.

The previous prime is 551582348983. The next prime is 551582349013. The reversal of 551582348991 is 199843285155.

It is not a de Polignac number, because 551582348991 - 2³ = 551582348983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551582348981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209526 + ... + 1071011.

It is an arithmetic number, because the mean of its divisors is an integer number (46673049024).

Almost surely, 2^551582348991 is an apocalyptic number.

551582348991 is a deficient number, since it is larger than the sum of its proper divisors (195186435393).

551582348991 is a wasteful number, since it uses less digits than its factorization.

551582348991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282750.

The product of its digits is 15552000, while the sum is 60.

The spelling of 551582348991 in words is "five hundred fifty-one billion, five hundred eighty-two million, three hundred forty-eight thousand, nine hundred ninety-one".