11401133331 has 16 divisors (see below), whose sum is σ = 18287532800. Its totient is φ = 6172041888.

The previous prime is 11401133311. The next prime is 11401133377. The reversal of 11401133331 is 13333110411.

It is not a de Polignac number, because 11401133331 - 2²² = 11396939027 is a prime.

It is a super-3 number, since 3×11401133331³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11401133298 and 11401133307.

It is not an unprimeable number, because it can be changed into a prime (11401133311) 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, 14286736 + ... + 14287533.

It is an arithmetic number, because the mean of its divisors is an integer number (1142970800).

Almost surely, 2^11401133331 is an apocalyptic number.

11401133331 is a deficient number, since it is larger than the sum of its proper divisors (6886399469).

11401133331 is a wasteful number, since it uses less digits than its factorization.

11401133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28574298.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11401133331 its reverse (13333110411), we get a palindrome (24734243742).

The spelling of 11401133331 in words is "eleven billion, four hundred one million, one hundred thirty-three thousand, three hundred thirty-one".