523054112261 has 4 divisors (see below), whose sum is σ = 523187582400. Its totient is φ = 522920642124.

The previous prime is 523054112249. The next prime is 523054112267. The reversal of 523054112261 is 162211450325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523054112261 - 2³⁰ = 521980370437 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 (523054112267) 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 3 ways as a sum of consecutive naturals, for example, 66729191 + ... + 66737028.

It is an arithmetic number, because the mean of its divisors is an integer number (130796895600).

Almost surely, 2^523054112261 is an apocalyptic number.

It is an amenable number.

523054112261 is a deficient number, since it is larger than the sum of its proper divisors (133470139).

523054112261 is a wasteful number, since it uses less digits than its factorization.

523054112261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133470138.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 523054112261 its reverse (162211450325), we get a palindrome (685265562586).

The spelling of 523054112261 in words is "five hundred twenty-three billion, fifty-four million, one hundred twelve thousand, two hundred sixty-one".