5255525551511 has 4 divisors (see below), whose sum is σ = 5329547038224. Its totient is φ = 5181504064800.

The previous prime is 5255525551489. The next prime is 5255525551513. The reversal of 5255525551511 is 1151555255525.

5255525551511 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5255525551511 - 2¹⁸ = 5255525289367 is a prime.

It is a super-3 number, since 3×5255525551511³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255525551513) 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, 37010743250 + ... + 37010743391.

It is an arithmetic number, because the mean of its divisors is an integer number (1332386759556).

Almost surely, 2^{5255525551511} is an apocalyptic number.

5255525551511 is a deficient number, since it is larger than the sum of its proper divisors (74021486713).

5255525551511 is an equidigital number, since it uses as much as digits as its factorization.

5255525551511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74021486712.

The product of its digits is 1562500, while the sum is 47.

The spelling of 5255525551511 in words is "five trillion, two hundred fifty-five billion, five hundred twenty-five million, five hundred fifty-one thousand, five hundred eleven".