11240231535 has 24 divisors (see below), whose sum is σ = 20981766624. Its totient is φ = 5533652160.

The previous prime is 11240231477. The next prime is 11240231543. The reversal of 11240231535 is 53513204211.

11240231535 is a `hidden beast` number, since 1 + 124 + 0 + 2 + 3 + 1 + 535 = 666.

It is not a de Polignac number, because 11240231535 - 2⁷ = 11240231407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11240231499 and 11240231508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9606451 + ... + 9607620.

It is an arithmetic number, because the mean of its divisors is an integer number (874240276).

Almost surely, 2^11240231535 is an apocalyptic number.

11240231535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11240231535 is a deficient number, since it is larger than the sum of its proper divisors (9741535089).

11240231535 is a wasteful number, since it uses less digits than its factorization.

11240231535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19214095 (or 19214092 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11240231535 its reverse (53513204211), we get a palindrome (64753435746).

The spelling of 11240231535 in words is "eleven billion, two hundred forty million, two hundred thirty-one thousand, five hundred thirty-five".