104664778541 has 2 divisors, whose sum is σ = 104664778542. Its totient is φ = 104664778540.

The previous prime is 104664778529. The next prime is 104664778553. The reversal of 104664778541 is 145877466401.

It is a balanced prime because it is at equal distance from previous prime (104664778529) and next prime (104664778553).

It can be written as a sum of positive squares in only one way, i.e., 59870749225 + 44794029316 = 244685^2 + 211646^2 .

It is a cyclic number.

It is not a de Polignac number, because 104664778541 - 2²⁶ = 104597669677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104664778591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52332389270 + 52332389271.

It is an arithmetic number, because the mean of its divisors is an integer number (52332389271).

Almost surely, 2^104664778541 is an apocalyptic number.

It is an amenable number.

104664778541 is a deficient number, since it is larger than the sum of its proper divisors (1).

104664778541 is an equidigital number, since it uses as much as digits as its factorization.

104664778541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 104664778541 in words is "one hundred four billion, six hundred sixty-four million, seven hundred seventy-eight thousand, five hundred forty-one".