11301381 has 24 divisors (see below), whose sum is σ = 20092800. Its totient is φ = 5960736.

The previous prime is 11301377. The next prime is 11301419. The reversal of 11301381 is 18310311.

It is a happy number.

It is not a de Polignac number, because 11301381 - 2² = 11301377 is a prime.

It is a super-2 number, since 2×11301381² = 255442425014322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6081 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (837200).

Almost surely, 2^11301381 is an apocalyptic number.

It is an amenable number.

11301381 is a deficient number, since it is larger than the sum of its proper divisors (8791419).

11301381 is a wasteful number, since it uses less digits than its factorization.

11301381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13825 (or 13822 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11301381 is about 3361.7526678803. The cubic root of 11301381 is about 224.4108438429.

Adding to 11301381 its reverse (18310311), we get a palindrome (29611692).

The spelling of 11301381 in words is "eleven million, three hundred one thousand, three hundred eighty-one".