11131133011 has 8 divisors (see below), whose sum is σ = 11228589504. Its totient is φ = 11033865960.

The previous prime is 11131132979. The next prime is 11131133023. The reversal of 11131133011 is 11033113111.

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 11131133011 - 2⁵ = 11131132979 is a prime.

It is a super-2 number, since 2×11131133011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131133081) 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, 71976 + ... + 165658.

It is an arithmetic number, because the mean of its divisors is an integer number (1403573688).

Almost surely, 2^11131133011 is an apocalyptic number.

11131133011 is a deficient number, since it is larger than the sum of its proper divisors (97456493).

11131133011 is an equidigital number, since it uses as much as digits as its factorization.

11131133011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94721.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 11131133011 its reverse (11033113111), we get a palindrome (22164246122).

The spelling of 11131133011 in words is "eleven billion, one hundred thirty-one million, one hundred thirty-three thousand, eleven".