118101171073409 has 2 divisors, whose sum is σ = 118101171073410. Its totient is φ = 118101171073408.

The previous prime is 118101171073399. The next prime is 118101171073421. The reversal of 118101171073409 is 904370171101811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66521885649025 + 51579285424384 = 8156095^2 + 7181872^2 .

It is a cyclic number.

It is not a de Polignac number, because 118101171073409 - 2⁴ = 118101171073393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118101171073409.

It is not a weakly prime, because it can be changed into another prime (118101171073469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59050585536704 + 59050585536705.

It is an arithmetic number, because the mean of its divisors is an integer number (59050585536705).

Almost surely, 2^{118101171073409} is an apocalyptic number.

It is an amenable number.

118101171073409 is a deficient number, since it is larger than the sum of its proper divisors (1).

118101171073409 is an equidigital number, since it uses as much as digits as its factorization.

118101171073409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 44.

The spelling of 118101171073409 in words is "one hundred eighteen trillion, one hundred one billion, one hundred seventy-one million, seventy-three thousand, four hundred nine".