3875120540891 has 2 divisors, whose sum is σ = 3875120540892. Its totient is φ = 3875120540890.

The previous prime is 3875120540839. The next prime is 3875120540959. The reversal of 3875120540891 is 1980450215783.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3875120540891 is a prime.

It is not a weakly prime, because it can be changed into another prime (3875120540791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937560270445 + 1937560270446.

It is an arithmetic number, because the mean of its divisors is an integer number (1937560270446).

Almost surely, 2^{3875120540891} is an apocalyptic number.

3875120540891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3875120540891 is an equidigital number, since it uses as much as digits as its factorization.

3875120540891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 3875120540891 in words is "three trillion, eight hundred seventy-five billion, one hundred twenty million, five hundred forty thousand, eight hundred ninety-one".