5401321311 has 128 divisors (see below), whose sum is σ = 8870860800. Its totient is φ = 2895298560.

The previous prime is 5401321307. The next prime is 5401321333. The reversal of 5401321311 is 1131231045.

It is not a de Polignac number, because 5401321311 - 2² = 5401321307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401321361) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39425635 + ... + 39425771.

It is an arithmetic number, because the mean of its divisors is an integer number (69303600).

Almost surely, 2^5401321311 is an apocalyptic number.

5401321311 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5401321311 is a deficient number, since it is larger than the sum of its proper divisors (3469539489).

5401321311 is a wasteful number, since it uses less digits than its factorization.

5401321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5401321311 is about 73493.6821162200. The cubic root of 5401321311 is about 1754.5537252138.

Adding to 5401321311 its reverse (1131231045), we get a palindrome (6532552356).

The spelling of 5401321311 in words is "five billion, four hundred one million, three hundred twenty-one thousand, three hundred eleven".