53111211136 has 32 divisors (see below), whose sum is σ = 105911382780. Its totient is φ = 26529530880.

The previous prime is 53111211089. The next prime is 53111211149. The reversal of 53111211136 is 63111211135.

It can be written as a sum of positive squares in 2 ways, for example, as 53065729600 + 45481536 = 230360^2 + 6744^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 53111211136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72511 + ... + 333886.

Almost surely, 2^53111211136 is an apocalyptic number.

It is an amenable number.

53111211136 is a deficient number, since it is larger than the sum of its proper divisors (52800171644).

53111211136 is a wasteful number, since it uses less digits than its factorization.

53111211136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407432 (or 407420 counting only the distinct ones).

The product of its digits is 540, while the sum is 25.

Subtracting 53111211136 from its reverse (63111211135), we obtain a palindrome (9999999999).

The spelling of 53111211136 in words is "fifty-three billion, one hundred eleven million, two hundred eleven thousand, one hundred thirty-six".