5401021311 has 12 divisors (see below), whose sum is σ = 8915971792. Its totient is φ = 3086297856.

The previous prime is 5401021291. The next prime is 5401021319. The reversal of 5401021311 is 1131201045.

5401021311 is a `hidden beast` number, since 540 + 102 + 13 + 11 = 666.

It is not a de Polignac number, because 5401021311 - 2⁷ = 5401021183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401021319) 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 11 ways as a sum of consecutive naturals, for example, 42865186 + ... + 42865311.

Almost surely, 2^5401021311 is an apocalyptic number.

5401021311 is a deficient number, since it is larger than the sum of its proper divisors (3514950481).

5401021311 is a wasteful number, since it uses less digits than its factorization.

5401021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85730510 (or 85730507 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 5401021311 is about 73491.6410961138. The cubic root of 5401021311 is about 1754.5212408251.

Adding to 5401021311 its reverse (1131201045), we get a palindrome (6532222356).

The spelling of 5401021311 in words is "five billion, four hundred one million, twenty-one thousand, three hundred eleven".