11381340476 has 24 divisors (see below), whose sum is σ = 21931088256. Its totient is φ = 5124985520.

The previous prime is 11381340463. The next prime is 11381340571. The reversal of 11381340476 is 67404318311.

11381340476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11381340476² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204016 + ... + 1213431.

It is an arithmetic number, because the mean of its divisors is an integer number (913795344).

Almost surely, 2^11381340476 is an apocalyptic number.

It is an amenable number.

11381340476 is a deficient number, since it is larger than the sum of its proper divisors (10549747780).

11381340476 is a wasteful number, since it uses less digits than its factorization.

11381340476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417569 (or 2417567 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

Adding to 11381340476 its reverse (67404318311), we get a palindrome (78785658787).

The spelling of 11381340476 in words is "eleven billion, three hundred eighty-one million, three hundred forty thousand, four hundred seventy-six".