36381011 has 4 divisors (see below), whose sum is σ = 37554624. Its totient is φ = 35207400.

The previous prime is 36380999. The next prime is 36381013. The reversal of 36381011 is 11018363.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36381011 - 2⁶ = 36380947 is a prime.

It is a super-2 number, since 2×36381011² = 2647155922764242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36381013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586760 + ... + 586821.

It is an arithmetic number, because the mean of its divisors is an integer number (9388656).

Almost surely, 2^36381011 is an apocalyptic number.

36381011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

36381011 is a deficient number, since it is larger than the sum of its proper divisors (1173613).

36381011 is a wasteful number, since it uses less digits than its factorization.

36381011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173612.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 36381011 is about 6031.6673482545. The cubic root of 36381011 is about 331.3535195146.

Adding to 36381011 its reverse (11018363), we get a palindrome (47399374).

The spelling of 36381011 in words is "thirty-six million, three hundred eighty-one thousand, eleven".