104215541971 has 2 divisors, whose sum is σ = 104215541972. Its totient is φ = 104215541970.

The previous prime is 104215541923. The next prime is 104215542047. The reversal of 104215541971 is 179145512401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104215541971 is a prime.

It is a super-3 number, since 3×104215541971³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (104215545971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52107770985 + 52107770986.

It is an arithmetic number, because the mean of its divisors is an integer number (52107770986).

Almost surely, 2^104215541971 is an apocalyptic number.

104215541971 is a deficient number, since it is larger than the sum of its proper divisors (1).

104215541971 is an equidigital number, since it uses as much as digits as its factorization.

104215541971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 104215541971 in words is "one hundred four billion, two hundred fifteen million, five hundred forty-one thousand, nine hundred seventy-one".