5311221135 has 64 divisors (see below), whose sum is σ = 9490950144. Its totient is φ = 2514176000.

The previous prime is 5311221127. The next prime is 5311221169.

5311221135 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5311221135 - 2³ = 5311221127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5435767 + ... + 5436743.

It is an arithmetic number, because the mean of its divisors is an integer number (148296096).

Almost surely, 2^5311221135 is an apocalyptic number.

5311221135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5311221135 is a deficient number, since it is larger than the sum of its proper divisors (4179729009).

5311221135 is a wasteful number, since it uses less digits than its factorization.

5311221135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its digits is 900, while the sum is 24.

The square root of 5311221135 is about 72878.1252160070. The cubic root of 5311221135 is about 1744.7429866985.

It can be divided in two parts, 53112 and 21135, that added together give a palindrome (74247).

The spelling of 5311221135 in words is "five billion, three hundred eleven million, two hundred twenty-one thousand, one hundred thirty-five".