104042461517887 has 2 divisors, whose sum is σ = 104042461517888. Its totient is φ = 104042461517886.

The previous prime is 104042461517843. The next prime is 104042461517899. The reversal of 104042461517887 is 788715164240401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104042461517887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104042461517587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52021230758943 + 52021230758944.

It is an arithmetic number, because the mean of its divisors is an integer number (52021230758944).

Almost surely, 2^{104042461517887} is an apocalyptic number.

104042461517887 is a deficient number, since it is larger than the sum of its proper divisors (1).

104042461517887 is an equidigital number, since it uses as much as digits as its factorization.

104042461517887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12042240, while the sum is 58.

The spelling of 104042461517887 in words is "one hundred four trillion, forty-two billion, four hundred sixty-one million, five hundred seventeen thousand, eight hundred eighty-seven".