11121265235231 has 8 divisors (see below), whose sum is σ = 11887842373344. Its totient is φ = 10378275086080.

The previous prime is 11121265235221. The next prime is 11121265235243. The reversal of 11121265235231 is 13253256212111.

11121265235231 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 a de Polignac number, because none of the positive numbers 2^k-11121265235231 is a prime.

It is a super-2 number, since 2×11121265235231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121265235191 and 11121265235200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121265235221) 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, 5896746266 + ... + 5896748151.

It is an arithmetic number, because the mean of its divisors is an integer number (1485980296668).

Almost surely, 2^{11121265235231} is an apocalyptic number.

11121265235231 is a deficient number, since it is larger than the sum of its proper divisors (766577138113).

11121265235231 is a wasteful number, since it uses less digits than its factorization.

11121265235231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11793494481.

The product of its digits is 21600, while the sum is 35.

The spelling of 11121265235231 in words is "eleven trillion, one hundred twenty-one billion, two hundred sixty-five million, two hundred thirty-five thousand, two hundred thirty-one".