11115240025 has 12 divisors (see below), whose sum is σ = 13891428352. Its totient is φ = 8822172240.

The previous prime is 11115240013. The next prime is 11115240029. The reversal of 11115240025 is 52004251111.

It is a de Polignac number, because none of the positive numbers 2^k-11115240025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11115239978 and 11115240005.

It is not an unprimeable number, because it can be changed into a prime (11115240029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1747257 + ... + 1753606.

Almost surely, 2^11115240025 is an apocalyptic number.

It is an amenable number.

11115240025 is a deficient number, since it is larger than the sum of its proper divisors (2776188327).

11115240025 is a wasteful number, since it uses less digits than its factorization.

11115240025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501000 (or 3500995 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 11115240025 its reverse (52004251111), we get a palindrome (63119491136).

The spelling of 11115240025 in words is "eleven billion, one hundred fifteen million, two hundred forty thousand, twenty-five".