11115925841 has 2 divisors, whose sum is σ = 11115925842. Its totient is φ = 11115925840.

The previous prime is 11115925831. The next prime is 11115925859. The reversal of 11115925841 is 14852951111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10257435841 + 858490000 = 101279^2 + 29300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11115925841 is a prime.

It is a super-2 number, since 2×11115925841² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11115925795 and 11115925804.

It is not a weakly prime, because it can be changed into another prime (11115925831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557962920 + 5557962921.

It is an arithmetic number, because the mean of its divisors is an integer number (5557962921).

Almost surely, 2^11115925841 is an apocalyptic number.

It is an amenable number.

11115925841 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115925841 is an equidigital number, since it uses as much as digits as its factorization.

11115925841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 38.

The spelling of 11115925841 in words is "eleven billion, one hundred fifteen million, nine hundred twenty-five thousand, eight hundred forty-one".