551203015232 has 14 divisors (see below), whose sum is σ = 1093793483478. Its totient is φ = 275601507584.

The previous prime is 551203015151. The next prime is 551203015271. The reversal of 551203015232 is 232510302155.

It can be written as a sum of positive squares in only one way, i.e., 550243502656 + 959512576 = 741784^2 + 30976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551203015195 and 551203015204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4306273493 + ... + 4306273620.

Almost surely, 2^551203015232 is an apocalyptic number.

It is an amenable number.

551203015232 is a deficient number, since it is larger than the sum of its proper divisors (542590468246).

551203015232 is an equidigital number, since it uses as much as digits as its factorization.

551203015232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8612547125 (or 8612547115 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 551203015232 its reverse (232510302155), we get a palindrome (783713317387).

The spelling of 551203015232 in words is "five hundred fifty-one billion, two hundred three million, fifteen thousand, two hundred thirty-two".