213540054411 has 16 divisors (see below), whose sum is σ = 297540232704. Its totient is φ = 136090837344.

The previous prime is 213540054391. The next prime is 213540054419. The reversal of 213540054411 is 114450045312.

It is not a de Polignac number, because 213540054411 - 2⁹ = 213540053899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213540054419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17604036 + ... + 17616161.

It is an arithmetic number, because the mean of its divisors is an integer number (18596264544).

Almost surely, 2^213540054411 is an apocalyptic number.

213540054411 is a deficient number, since it is larger than the sum of its proper divisors (84000178293).

213540054411 is a wasteful number, since it uses less digits than its factorization.

213540054411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35220290.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 213540054411 its reverse (114450045312), we get a palindrome (327990099723).

Subtracting from 213540054411 its reverse (114450045312), we obtain a palindrome (99090009099).

The spelling of 213540054411 in words is "two hundred thirteen billion, five hundred forty million, fifty-four thousand, four hundred eleven".