55225441315511 has 4 divisors (see below), whose sum is σ = 55225508104800. Its totient is φ = 55225374526224.

The previous prime is 55225441315507. The next prime is 55225441315547. The reversal of 55225441315511 is 11551314452255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55225441315511 - 2² = 55225441315507 is a prime.

It is a super-3 number, since 3×55225441315511³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55225441315501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32138606 + ... + 33813323.

It is an arithmetic number, because the mean of its divisors is an integer number (13806377026200).

Almost surely, 2^{55225441315511} is an apocalyptic number.

55225441315511 is a deficient number, since it is larger than the sum of its proper divisors (66789289).

55225441315511 is an equidigital number, since it uses as much as digits as its factorization.

55225441315511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66789288.

The product of its digits is 600000, while the sum is 44.

Adding to 55225441315511 its reverse (11551314452255), we get a palindrome (66776755767766).

The spelling of 55225441315511 in words is "fifty-five trillion, two hundred twenty-five billion, four hundred forty-one million, three hundred fifteen thousand, five hundred eleven".