4108542525891 has 6 divisors (see below), whose sum is σ = 5934561426300. Its totient is φ = 2739028350588.

The previous prime is 4108542525883. The next prime is 4108542525937. The reversal of 4108542525891 is 1985252458014.

It is a happy number.

4108542525891 is a `hidden beast` number, since 4 + 1 + 0 + 8 + 5 + 4 + 2 + 52 + 589 + 1 = 666.

It is not a de Polignac number, because 4108542525891 - 2³ = 4108542525883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4108542525091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228252362541 + ... + 228252362558.

It is an arithmetic number, because the mean of its divisors is an integer number (989093571050).

Almost surely, 2^{4108542525891} is an apocalyptic number.

4108542525891 is a deficient number, since it is larger than the sum of its proper divisors (1826018900409).

4108542525891 is a wasteful number, since it uses less digits than its factorization.

4108542525891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456504725105 (or 456504725102 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 54.

The spelling of 4108542525891 in words is "four trillion, one hundred eight billion, five hundred forty-two million, five hundred twenty-five thousand, eight hundred ninety-one".