53111113261 has 8 divisors (see below), whose sum is σ = 57074630400. Its totient is φ = 49240855488.

The previous prime is 53111113259. The next prime is 53111113301. The reversal of 53111113261 is 16231111135.

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

It is a cyclic number.

It is not a de Polignac number, because 53111113261 - 2¹ = 53111113259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53111113201) 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, 23313661 + ... + 23315938.

It is an arithmetic number, because the mean of its divisors is an integer number (7134328800).

Almost surely, 2^53111113261 is an apocalyptic number.

It is an amenable number.

53111113261 is a deficient number, since it is larger than the sum of its proper divisors (3963517139).

53111113261 is a wasteful number, since it uses less digits than its factorization.

53111113261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46629683.

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

Adding to 53111113261 its reverse (16231111135), we get a palindrome (69342224396).

The spelling of 53111113261 in words is "fifty-three billion, one hundred eleven million, one hundred thirteen thousand, two hundred sixty-one".