551117635852 has 24 divisors (see below), whose sum is σ = 1118686548224. Its totient is φ = 232667998992.

The previous prime is 551117635829. The next prime is 551117635879. The reversal of 551117635852 is 258536711155.

It is a junction number, because it is equal to n+sod(n) for n = 551117635796 and 551117635805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146884488 + ... + 146888239.

Almost surely, 2^551117635852 is an apocalyptic number.

It is an amenable number.

551117635852 is an abundant number, since it is smaller than the sum of its proper divisors (567568912372).

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

551117635852 is a wasteful number, since it uses less digits than its factorization.

551117635852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293772805 (or 293772803 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 49.

The spelling of 551117635852 in words is "five hundred fifty-one billion, one hundred seventeen million, six hundred thirty-five thousand, eight hundred fifty-two".