11234146561 has 8 divisors (see below), whose sum is σ = 12256200000. Its totient is φ = 10212221040.

The previous prime is 11234146541. The next prime is 11234146577. The reversal of 11234146561 is 16564143211.

11234146561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11234146561 - 2¹¹ = 11234144513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11234146501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323940 + ... + 356938.

It is an arithmetic number, because the mean of its divisors is an integer number (1532025000).

Almost surely, 2^11234146561 is an apocalyptic number.

11234146561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11234146561 is a deficient number, since it is larger than the sum of its proper divisors (1022053439).

11234146561 is a wasteful number, since it uses less digits than its factorization.

11234146561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63959.

The product of its digits is 17280, while the sum is 34.

Adding to 11234146561 its reverse (16564143211), we get a palindrome (27798289772).

The spelling of 11234146561 in words is "eleven billion, two hundred thirty-four million, one hundred forty-six thousand, five hundred sixty-one".