11201131311 has 8 divisors (see below), whose sum is σ = 15026467200. Its totient is φ = 7421608152.

The previous prime is 11201131301. The next prime is 11201131349. The reversal of 11201131311 is 11313110211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11201131311 - 2¹⁵ = 11201098543 is a prime.

It is a super-3 number, since 3×11201131311³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201131301) 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, 11452611 + ... + 11453588.

It is an arithmetic number, because the mean of its divisors is an integer number (1878308400).

Almost surely, 2^11201131311 is an apocalyptic number.

11201131311 is a deficient number, since it is larger than the sum of its proper divisors (3825335889).

11201131311 is a wasteful number, since it uses less digits than its factorization.

11201131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22906365.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11201131311 its reverse (11313110211), we get a palindrome (22514241522).

The spelling of 11201131311 in words is "eleven billion, two hundred one million, one hundred thirty-one thousand, three hundred eleven".