55151145442511 has 2 divisors, whose sum is σ = 55151145442512. Its totient is φ = 55151145442510.

The previous prime is 55151145442499. The next prime is 55151145442609. The reversal of 55151145442511 is 11524454115155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55151145442511 - 2⁶ = 55151145442447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55151145442711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27575572721255 + 27575572721256.

It is an arithmetic number, because the mean of its divisors is an integer number (27575572721256).

Almost surely, 2^{55151145442511} is an apocalyptic number.

55151145442511 is a deficient number, since it is larger than the sum of its proper divisors (1).

55151145442511 is an equidigital number, since it uses as much as digits as its factorization.

55151145442511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 400000, while the sum is 44.

Adding to 55151145442511 its reverse (11524454115155), we get a palindrome (66675599557666).

The spelling of 55151145442511 in words is "fifty-five trillion, one hundred fifty-one billion, one hundred forty-five million, four hundred forty-two thousand, five hundred eleven".