11316036381 has 16 divisors (see below), whose sum is σ = 16471256256. Its totient is φ = 6868319616.

The previous prime is 11316036353. The next prime is 11316036461. The reversal of 11316036381 is 18363061311.

It is a happy number.

It is not a de Polignac number, because 11316036381 - 2¹⁴ = 11316019997 is a prime.

It is a super-2 number, since 2×11316036381² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11316036341) 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, 1984515 + ... + 1990208.

It is an arithmetic number, because the mean of its divisors is an integer number (1029453516).

Almost surely, 2^11316036381 is an apocalyptic number.

It is an amenable number.

11316036381 is a deficient number, since it is larger than the sum of its proper divisors (5155219875).

11316036381 is a wasteful number, since it uses less digits than its factorization.

11316036381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974812.

The product of its (nonzero) digits is 7776, while the sum is 33.

Adding to 11316036381 its reverse (18363061311), we get a palindrome (29679097692).

The spelling of 11316036381 in words is "eleven billion, three hundred sixteen million, thirty-six thousand, three hundred eighty-one".