551268015000 has 80 divisors (see below), whose sum is σ = 1722161325720. Its totient is φ = 147004800000.

The previous prime is 551268014989. The next prime is 551268015047. The reversal of 551268015000 is 510862155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18360601 + ... + 18390600.

Almost surely, 2^551268015000 is an apocalyptic number.

551268015000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551268015000 is an abundant number, since it is smaller than the sum of its proper divisors (1170893310720).

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

551268015000 is a wasteful number, since it uses less digits than its factorization.

551268015000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36751230 (or 36751211 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 551268015000 its reverse (510862155), we get a palindrome (551778877155).

The spelling of 551268015000 in words is "five hundred fifty-one billion, two hundred sixty-eight million, fifteen thousand".