53040231111 has 8 divisors (see below), whose sum is σ = 80823209344. Its totient is φ = 30308703480.

The previous prime is 53040231089. The next prime is 53040231163. The reversal of 53040231111 is 11113204035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53040231111 - 2¹¹ = 53040229063 is a prime.

It is a super-2 number, since 2×53040231111² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2525725291 = 53040231111 / (5 + 3 + 0 + 4 + 0 + 2 + 3 + 1 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53040233111) 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 7 ways as a sum of consecutive naturals, for example, 1262862625 + ... + 1262862666.

It is an arithmetic number, because the mean of its divisors is an integer number (10102901168).

Almost surely, 2^53040231111 is an apocalyptic number.

53040231111 is a deficient number, since it is larger than the sum of its proper divisors (27782978233).

53040231111 is a wasteful number, since it uses less digits than its factorization.

53040231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525725301.

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

Adding to 53040231111 its reverse (11113204035), we get a palindrome (64153435146).

The spelling of 53040231111 in words is "fifty-three billion, forty million, two hundred thirty-one thousand, one hundred eleven".