11401332208 has 40 divisors (see below), whose sum is σ = 26343456768. Its totient is φ = 4673836992.

The previous prime is 11401332197. The next prime is 11401332253. The reversal of 11401332208 is 80223310411.

It is a happy number.

It is a super-2 number, since 2×11401332208² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2210416 + ... + 2215567.

Almost surely, 2^11401332208 is an apocalyptic number.

It is an amenable number.

11401332208 is an abundant number, since it is smaller than the sum of its proper divisors (14942124560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11401332208 is a wasteful number, since it uses less digits than its factorization.

11401332208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426021 (or 4426015 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11401332208 its reverse (80223310411), we get a palindrome (91624642619).

The spelling of 11401332208 in words is "eleven billion, four hundred one million, three hundred thirty-two thousand, two hundred eight".