11156660041 has 8 divisors (see below), whose sum is σ = 11201005440. Its totient is φ = 11112349872.

The previous prime is 11156660033. The next prime is 11156660063. The reversal of 11156660041 is 14006665111.

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 11156660041 - 2³ = 11156660033 is a prime.

It is a super-2 number, since 2×11156660041² (a number of 21 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 = 11156659985 and 11156660012.

It is not an unprimeable number, because it can be changed into a prime (11156630041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754800 + ... + 769438.

It is an arithmetic number, because the mean of its divisors is an integer number (1400125680).

Almost surely, 2^11156660041 is an apocalyptic number.

It is an amenable number.

11156660041 is a deficient number, since it is larger than the sum of its proper divisors (44345399).

11156660041 is a wasteful number, since it uses less digits than its factorization.

11156660041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17615.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 11156660041 in words is "eleven billion, one hundred fifty-six million, six hundred sixty thousand, forty-one".