551020724001 has 48 divisors (see below), whose sum is σ = 905997106560. Its totient is φ = 330709500000.

The previous prime is 551020723997. The next prime is 551020724017. The reversal of 551020724001 is 100427020155.

551020724001 is a `hidden beast` number, since 5 + 51 + 0 + 207 + 2 + 400 + 1 = 666.

It is not a de Polignac number, because 551020724001 - 2² = 551020723997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (541020724001) 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, 482250 + ... + 1155251.

It is an arithmetic number, because the mean of its divisors is an integer number (18874939720).

Almost surely, 2^551020724001 is an apocalyptic number.

It is an amenable number.

551020724001 is a deficient number, since it is larger than the sum of its proper divisors (354976382559).

551020724001 is a wasteful number, since it uses less digits than its factorization.

551020724001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637635 (or 1637618 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 551020724001 its reverse (100427020155), we get a palindrome (651447744156).

The spelling of 551020724001 in words is "five hundred fifty-one billion, twenty million, seven hundred twenty-four thousand, one".