5535231511 has 4 divisors (see below), whose sum is σ = 5535897400. Its totient is φ = 5534565624.

The previous prime is 5535231509. The next prime is 5535231547. The reversal of 5535231511 is 1151325355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1151325355 = 5 ⋅230265071.

It is a cyclic number.

It is not a de Polignac number, because 5535231511 - 2¹ = 5535231509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5535241511) 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 3 ways as a sum of consecutive naturals, for example, 320316 + ... + 337153.

It is an arithmetic number, because the mean of its divisors is an integer number (1383974350).

Almost surely, 2^5535231511 is an apocalyptic number.

5535231511 is a deficient number, since it is larger than the sum of its proper divisors (665889).

5535231511 is an equidigital number, since it uses as much as digits as its factorization.

5535231511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665888.

The product of its digits is 11250, while the sum is 31.

The square root of 5535231511 is about 74399.1364936449. The cubic root of 5535231511 is about 1768.9352242340.

Adding to 5535231511 its reverse (1151325355), we get a palindrome (6686556866).

The spelling of 5535231511 in words is "five billion, five hundred thirty-five million, two hundred thirty-one thousand, five hundred eleven".