11453231261 has 8 divisors (see below), whose sum is σ = 11851461120. Its totient is φ = 11055220848.

The previous prime is 11453231227. The next prime is 11453231281. The reversal of 11453231261 is 16213235411.

11453231261 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 de Polignac number, because none of the positive numbers 2^k-11453231261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453231281) 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, 55100 + ... + 161066.

It is an arithmetic number, because the mean of its divisors is an integer number (1481432640).

Almost surely, 2^11453231261 is an apocalyptic number.

It is an amenable number.

11453231261 is a deficient number, since it is larger than the sum of its proper divisors (398229859).

11453231261 is a wasteful number, since it uses less digits than its factorization.

11453231261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109723.

The product of its digits is 4320, while the sum is 29.

Adding to 11453231261 its reverse (16213235411), we get a palindrome (27666466672).

The spelling of 11453231261 in words is "eleven billion, four hundred fifty-three million, two hundred thirty-one thousand, two hundred sixty-one".