11153250121 has 8 divisors (see below), whose sum is σ = 12063646280. Its totient is φ = 10250347392.

The previous prime is 11153250077. The next prime is 11153250127. The reversal of 11153250121 is 12105235111.

It can be written as a sum of positive squares in 4 ways, for example, as 3403088896 + 7750161225 = 58336^2 + 88035^2 .

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 11153250121 - 2¹³ = 11153241929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11153250092 and 11153250101.

It is not an unprimeable number, because it can be changed into a prime (11153250127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870260 + ... + 1876213.

It is an arithmetic number, because the mean of its divisors is an integer number (1507955785).

Almost surely, 2^11153250121 is an apocalyptic number.

It is an amenable number.

11153250121 is a deficient number, since it is larger than the sum of its proper divisors (910396159).

11153250121 is a wasteful number, since it uses less digits than its factorization.

11153250121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746715.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 11153250121 its reverse (12105235111), we get a palindrome (23258485232).

The spelling of 11153250121 in words is "eleven billion, one hundred fifty-three million, two hundred fifty thousand, one hundred twenty-one".