551545021450241 has 32 divisors (see below), whose sum is σ = 682688055748608. Its totient is φ = 433904444766720.

The previous prime is 551545021450223. The next prime is 551545021450271. The reversal of 551545021450241 is 142054120545155.

It is a cyclic number.

It is not a de Polignac number, because 551545021450241 - 2²² = 551545017255937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551545021450192 and 551545021450201.

It is not an unprimeable number, because it can be changed into a prime (551545021450211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96831341 + ... + 102368933.

It is an arithmetic number, because the mean of its divisors is an integer number (21334001742144).

Almost surely, 2^{551545021450241} is an apocalyptic number.

It is an amenable number.

551545021450241 is a deficient number, since it is larger than the sum of its proper divisors (131143034298367).

551545021450241 is a wasteful number, since it uses less digits than its factorization.

551545021450241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543841.

The product of its (nonzero) digits is 800000, while the sum is 44.

Adding to 551545021450241 its reverse (142054120545155), we get a palindrome (693599141995396).

The spelling of 551545021450241 in words is "five hundred fifty-one trillion, five hundred forty-five billion, twenty-one million, four hundred fifty thousand, two hundred forty-one".