1131001133011 has 16 divisors (see below), whose sum is σ = 1164418869600. Its totient is φ = 1098086809600.

The previous prime is 1131001132949. The next prime is 1131001133063. The reversal of 1131001133011 is 1103311001311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131001133011 is a prime.

It is a super-2 number, since 2×1131001133011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131001133711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4503891 + ... + 4748371.

It is an arithmetic number, because the mean of its divisors is an integer number (72776179350).

Almost surely, 2^{1131001133011} is an apocalyptic number.

1131001133011 is a deficient number, since it is larger than the sum of its proper divisors (33417736589).

1131001133011 is an equidigital number, since it uses as much as digits as its factorization.

1131001133011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245510.

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

Adding to 1131001133011 its reverse (1103311001311), we get a palindrome (2234312134322).

The spelling of 1131001133011 in words is "one trillion, one hundred thirty-one billion, one million, one hundred thirty-three thousand, eleven".