3881372511 has 16 divisors (see below), whose sum is σ = 5374565504. Its totient is φ = 2489677344.

The previous prime is 3881372489. The next prime is 3881372513. The reversal of 3881372511 is 1152731883.

It is not a de Polignac number, because 3881372511 - 2⁶ = 3881372447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3881372511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881372513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215896 + ... + 233181.

It is an arithmetic number, because the mean of its divisors is an integer number (335910344).

Almost surely, 2^3881372511 is an apocalyptic number.

3881372511 is a deficient number, since it is larger than the sum of its proper divisors (1493192993).

3881372511 is a wasteful number, since it uses less digits than its factorization.

3881372511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449190.

The product of its digits is 40320, while the sum is 39.

The square root of 3881372511 is about 62300.6622035432. The cubic root of 3881372511 is about 1571.5508646553.

It can be divided in two parts, 3881372 and 511, that added together give a palindrome (3881883).

The spelling of 3881372511 in words is "three billion, eight hundred eighty-one million, three hundred seventy-two thousand, five hundred eleven".