551043345125 has 128 divisors (see below), whose sum is σ = 860778067968. Its totient is φ = 342897408000.

The previous prime is 551043345043. The next prime is 551043345133. The reversal of 551043345125 is 521543340155.

It is not a de Polignac number, because 551043345125 - 2¹⁰ = 551043344101 is a prime.

It is a super-2 number, since 2×551043345125² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 369083879 + ... + 369085371.

It is an arithmetic number, because the mean of its divisors is an integer number (6724828656).

Almost surely, 2^551043345125 is an apocalyptic number.

It is an amenable number.

551043345125 is a deficient number, since it is larger than the sum of its proper divisors (309734722843).

551043345125 is a wasteful number, since it uses less digits than its factorization.

551043345125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 551043345125 in words is "five hundred fifty-one billion, forty-three million, three hundred forty-five thousand, one hundred twenty-five".