11135854081 has 8 divisors (see below), whose sum is σ = 12268484928. Its totient is φ = 10023270000.

The previous prime is 11135854027. The next prime is 11135854109. The reversal of 11135854081 is 18045853111.

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 11135854081 - 2⁹ = 11135853569 is a prime.

It is a super-2 number, since 2×11135854081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11135854081.

It is not an unprimeable number, because it can be changed into a prime (11135854481) 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, 5010525 + ... + 5012746.

It is an arithmetic number, because the mean of its divisors is an integer number (1533560616).

Almost surely, 2^11135854081 is an apocalyptic number.

11135854081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11135854081 is a deficient number, since it is larger than the sum of its proper divisors (1132630847).

11135854081 is a wasteful number, since it uses less digits than its factorization.

11135854081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023383.

The product of its (nonzero) digits is 19200, while the sum is 37.

The spelling of 11135854081 in words is "eleven billion, one hundred thirty-five million, eight hundred fifty-four thousand, eighty-one".