5421136511 has 24 divisors (see below), whose sum is σ = 6857677296. Its totient is φ = 4255130880.

The previous prime is 5421136459. The next prime is 5421136517. The reversal of 5421136511 is 1156311245.

It is not a de Polignac number, because 5421136511 - 2⁶ = 5421136447 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 (5421136517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57125 + ... + 118766.

It is an arithmetic number, because the mean of its divisors is an integer number (285736554).

Almost surely, 2^5421136511 is an apocalyptic number.

5421136511 is a deficient number, since it is larger than the sum of its proper divisors (1436540785).

5421136511 is a wasteful number, since it uses less digits than its factorization.

5421136511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175959 (or 175952 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 5421136511 is about 73628.3675698436. The cubic root of 5421136511 is about 1756.6966826127.

Adding to 5421136511 its reverse (1156311245), we get a palindrome (6577447756).

The spelling of 5421136511 in words is "five billion, four hundred twenty-one million, one hundred thirty-six thousand, five hundred eleven".