3855066721132 has 48 divisors (see below), whose sum is σ = 7432209937152. Its totient is φ = 1735037282880.

The previous prime is 3855066721127. The next prime is 3855066721151. The reversal of 3855066721132 is 2311276605583.

It is a happy number.

It is a super-2 number, since 2×3855066721132² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32948158 + ... + 33064954.

It is an arithmetic number, because the mean of its divisors is an integer number (154837707024).

Almost surely, 2^{3855066721132} is an apocalyptic number.

It is an amenable number.

3855066721132 is a deficient number, since it is larger than the sum of its proper divisors (3577143216020).

3855066721132 is a wasteful number, since it uses less digits than its factorization.

3855066721132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124198 (or 124196 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 3855066721132 in words is "three trillion, eight hundred fifty-five billion, sixty-six million, seven hundred twenty-one thousand, one hundred thirty-two".