104215542061 has 2 divisors, whose sum is σ = 104215542062. Its totient is φ = 104215542060.

The previous prime is 104215542047. The next prime is 104215542071. The reversal of 104215542061 is 160245512401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79371792900 + 24843749161 = 281730^2 + 157619^2 .

It is a cyclic number.

It is not a de Polignac number, because 104215542061 - 2²⁹ = 103678671149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104215542071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52107771030 + 52107771031.

It is an arithmetic number, because the mean of its divisors is an integer number (52107771031).

Almost surely, 2^104215542061 is an apocalyptic number.

It is an amenable number.

104215542061 is a deficient number, since it is larger than the sum of its proper divisors (1).

104215542061 is an equidigital number, since it uses as much as digits as its factorization.

104215542061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 104215542061 in words is "one hundred four billion, two hundred fifteen million, five hundred forty-two thousand, sixty-one".