551251512245 has 16 divisors (see below), whose sum is σ = 756026006400. Its totient is φ = 377989070784.

The previous prime is 551251512239. The next prime is 551251512323. The reversal of 551251512245 is 542215152155.

It is a cyclic number.

It is not a de Polignac number, because 551251512245 - 2⁶ = 551251512181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551251512199 and 551251512208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953906 + ... + 1418604.

It is an arithmetic number, because the mean of its divisors is an integer number (47251625400).

Almost surely, 2^551251512245 is an apocalyptic number.

It is an amenable number.

551251512245 is a deficient number, since it is larger than the sum of its proper divisors (204774494155).

551251512245 is a wasteful number, since it uses less digits than its factorization.

551251512245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498604.

The product of its digits is 100000, while the sum is 38.

The spelling of 551251512245 in words is "five hundred fifty-one billion, two hundred fifty-one million, five hundred twelve thousand, two hundred forty-five".