3811678551 has 24 divisors (see below), whose sum is σ = 5531535360. Its totient is φ = 2529252816.

The previous prime is 3811678531. The next prime is 3811678583. The reversal of 3811678551 is 1558761183.

3811678551 is a `hidden beast` number, since 3 + 81 + 16 + 7 + 8 + 551 = 666.

It is not a de Polignac number, because 3811678551 - 2¹⁷ = 3811547479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3811678497 and 3811678506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811678531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2787670 + ... + 2789036.

It is an arithmetic number, because the mean of its divisors is an integer number (230480640).

Almost surely, 2^3811678551 is an apocalyptic number.

3811678551 is a deficient number, since it is larger than the sum of its proper divisors (1719856809).

3811678551 is a wasteful number, since it uses less digits than its factorization.

With its successor (3811678552) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2592).

With its successor (3811678552) it forms an eRAP, since the sums of their prime factors are consecutive (2595 and 2596).

3811678551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2592 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 3811678551 is about 61738.7929182293. The cubic root of 3811678551 is about 1562.0877360640.

The spelling of 3811678551 in words is "three billion, eight hundred eleven million, six hundred seventy-eight thousand, five hundred fifty-one".