551043345126 has 32 divisors (see below), whose sum is σ = 1128946999680. Its totient is φ = 179249846336.

The previous prime is 551043345043. The next prime is 551043345133. The reversal of 551043345126 is 621543340155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5632596 + ... + 5729591.

It is an arithmetic number, because the mean of its divisors is an integer number (35279593740).

Almost surely, 2^551043345126 is an apocalyptic number.

551043345126 is an abundant number, since it is smaller than the sum of its proper divisors (577903654554).

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

551043345126 is a wasteful number, since it uses less digits than its factorization.

551043345126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362388.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 551043345126 in words is "five hundred fifty-one billion, forty-three million, three hundred forty-five thousand, one hundred twenty-six".