3915840139911 has 48 divisors (see below), whose sum is σ = 7056484780800. Its totient is φ = 2119853291328.

The previous prime is 3915840139843. The next prime is 3915840140021. The reversal of 3915840139911 is 1199310485193.

3915840139911 is a `hidden beast` number, since 3 + 91 + 58 + 401 + 3 + 99 + 11 = 666.

It is not a de Polignac number, because 3915840139911 - 2¹³ = 3915840131719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915840139111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60548766 + ... + 60613403.

It is an arithmetic number, because the mean of its divisors is an integer number (147010099600).

Almost surely, 2^{3915840139911} is an apocalyptic number.

3915840139911 is a deficient number, since it is larger than the sum of its proper divisors (3140644640889).

3915840139911 is a wasteful number, since it uses less digits than its factorization.

3915840139911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121162210 (or 121162198 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The spelling of 3915840139911 in words is "three trillion, nine hundred fifteen billion, eight hundred forty million, one hundred thirty-nine thousand, nine hundred eleven".