551043345132 has 144 divisors (see below), whose sum is σ = 1596053222400. Its totient is φ = 157031136000.

The previous prime is 551043345043. The next prime is 551043345133. The reversal of 551043345132 is 231543340155.

551043345132 is a `hidden beast` number, since 5 + 5 + 104 + 3 + 34 + 513 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (551043345133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213664219 + ... + 213666797.

Almost surely, 2^551043345132 is an apocalyptic number.

It is an amenable number.

551043345132 is an abundant number, since it is smaller than the sum of its proper divisors (1045009877268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551043345132 is a wasteful number, since it uses less digits than its factorization.

551043345132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476 (or 4471 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 551043345132 its reverse (231543340155), we get a palindrome (782586685287).

The spelling of 551043345132 in words is "five hundred fifty-one billion, forty-three million, three hundred forty-five thousand, one hundred thirty-two".