551331144045 has 48 divisors (see below), whose sum is σ = 1043218612800. Its totient is φ = 267132188160.

The previous prime is 551331144041. The next prime is 551331144071. The reversal of 551331144045 is 540441133155.

551331144045 is a `hidden beast` number, since 5 + 5 + 133 + 114 + 404 + 5 = 666.

It is not a de Polignac number, because 551331144045 - 2² = 551331144041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551331144041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363046 + ... + 1111064.

It is an arithmetic number, because the mean of its divisors is an integer number (21733721100).

Almost surely, 2^551331144045 is an apocalyptic number.

551331144045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

551331144045 is a deficient number, since it is larger than the sum of its proper divisors (491887468755).

551331144045 is a wasteful number, since it uses less digits than its factorization.

551331144045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749530 (or 749527 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 551331144045 in words is "five hundred fifty-one billion, three hundred thirty-one million, one hundred forty-four thousand, forty-five".