3875120540856 has 48 divisors (see below), whose sum is σ = 10497218550000. Its totient is φ = 1291448333952.

The previous prime is 3875120540839. The next prime is 3875120540891. The reversal of 3875120540856 is 6580450215783.

3875120540856 is a `hidden beast` number, since 3 + 8 + 7 + 5 + 12 + 0 + 540 + 85 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5023261 + ... + 5743116.

It is an arithmetic number, because the mean of its divisors is an integer number (218692053125).

Almost surely, 2^{3875120540856} is an apocalyptic number.

3875120540856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3875120540856 is an abundant number, since it is smaller than the sum of its proper divisors (6622098009144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3875120540856 is a wasteful number, since it uses less digits than its factorization.

3875120540856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10771388 (or 10771381 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 3875120540856 in words is "three trillion, eight hundred seventy-five billion, one hundred twenty million, five hundred forty thousand, eight hundred fifty-six".