3781942376311 has 16 divisors (see below), whose sum is σ = 4174392595968. Its totient is φ = 3397702176000.

The previous prime is 3781942376249. The next prime is 3781942376351. The reversal of 3781942376311 is 1136732491873.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3781942376311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781942376351) 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, 1866015 + ... + 3323536.

It is an arithmetic number, because the mean of its divisors is an integer number (260899537248).

Almost surely, 2^{3781942376311} is an apocalyptic number.

3781942376311 is a deficient number, since it is larger than the sum of its proper divisors (392450219657).

3781942376311 is a wasteful number, since it uses less digits than its factorization.

3781942376311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190342.

The product of its digits is 4572288, while the sum is 55.

The spelling of 3781942376311 in words is "three trillion, seven hundred eighty-one billion, nine hundred forty-two million, three hundred seventy-six thousand, three hundred eleven".