5545434052511 has 2 divisors, whose sum is σ = 5545434052512. Its totient is φ = 5545434052510.

The previous prime is 5545434052469. The next prime is 5545434052537. The reversal of 5545434052511 is 1152504345455.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5545434052511 - 2²⁶ = 5545366943647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5545434052591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772717026255 + 2772717026256.

It is an arithmetic number, because the mean of its divisors is an integer number (2772717026256).

Almost surely, 2^{5545434052511} is an apocalyptic number.

5545434052511 is a deficient number, since it is larger than the sum of its proper divisors (1).

5545434052511 is an equidigital number, since it uses as much as digits as its factorization.

5545434052511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200000, while the sum is 44.

Adding to 5545434052511 its reverse (1152504345455), we get a palindrome (6697938397966).

The spelling of 5545434052511 in words is "five trillion, five hundred forty-five billion, four hundred thirty-four million, fifty-two thousand, five hundred eleven".