551124435123 has 48 divisors (see below), whose sum is σ = 890113536000. Its totient is φ = 326549456640.

The previous prime is 551124435107. The next prime is 551124435133. The reversal of 551124435123 is 321534421155.

551124435123 is a `hidden beast` number, since 55 + 11 + 244 + 351 + 2 + 3 = 666.

It is not a de Polignac number, because 551124435123 - 2⁴ = 551124435107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551124435133) 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, 599278 + ... + 1208876.

It is an arithmetic number, because the mean of its divisors is an integer number (18544032000).

Almost surely, 2^551124435123 is an apocalyptic number.

551124435123 is a deficient number, since it is larger than the sum of its proper divisors (338989100877).

551124435123 is a wasteful number, since it uses less digits than its factorization.

551124435123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609952 (or 609949 counting only the distinct ones).

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

Adding to 551124435123 its reverse (321534421155), we get a palindrome (872658856278).

The spelling of 551124435123 in words is "five hundred fifty-one billion, one hundred twenty-four million, four hundred thirty-five thousand, one hundred twenty-three".