38365452135881 has 16 divisors (see below), whose sum is σ = 41400707040000. Its totient is φ = 35342211057408.

The previous prime is 38365452135743. The next prime is 38365452135883. The reversal of 38365452135881 is 18853125456383.

38365452135881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38365452135881 - 2¹⁰ = 38365452134857 is a prime.

It is a super-2 number, since 2×38365452135881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38365452135883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277360385 + ... + 277498673.

It is an arithmetic number, because the mean of its divisors is an integer number (2587544190000).

Almost surely, 2^{38365452135881} is an apocalyptic number.

It is an amenable number.

38365452135881 is a deficient number, since it is larger than the sum of its proper divisors (3035254904119).

38365452135881 is a wasteful number, since it uses less digits than its factorization.

38365452135881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181568.

The product of its digits is 82944000, while the sum is 62.

The spelling of 38365452135881 in words is "thirty-eight trillion, three hundred sixty-five billion, four hundred fifty-two million, one hundred thirty-five thousand, eight hundred eighty-one".