78001410414121 has 2 divisors, whose sum is σ = 78001410414122. Its totient is φ = 78001410414120.

The previous prime is 78001410414079. The next prime is 78001410414181. The reversal of 78001410414121 is 12141401410087.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42620803028521 + 35380607385600 = 6528461^2 + 5948160^2 .

It is an emirp because it is prime and its reverse (12141401410087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78001410414121 - 2²¹ = 78001408316969 is a prime.

It is not a weakly prime, because it can be changed into another prime (78001410414181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39000705207060 + 39000705207061.

It is an arithmetic number, because the mean of its divisors is an integer number (39000705207061).

Almost surely, 2^{78001410414121} is an apocalyptic number.

It is an amenable number.

78001410414121 is a deficient number, since it is larger than the sum of its proper divisors (1).

78001410414121 is an equidigital number, since it uses as much as digits as its factorization.

78001410414121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 34.

The spelling of 78001410414121 in words is "seventy-eight trillion, one billion, four hundred ten million, four hundred fourteen thousand, one hundred twenty-one".