373118108261 has 2 divisors, whose sum is σ = 373118108262. Its totient is φ = 373118108260.

The previous prime is 373118108257. The next prime is 373118108273. The reversal of 373118108261 is 162801811373.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372997240225 + 120868036 = 610735^2 + 10994^2 .

It is a cyclic number.

It is not a de Polignac number, because 373118108261 - 2² = 373118108257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373118108761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186559054130 + 186559054131.

It is an arithmetic number, because the mean of its divisors is an integer number (186559054131).

Almost surely, 2^373118108261 is an apocalyptic number.

It is an amenable number.

373118108261 is a deficient number, since it is larger than the sum of its proper divisors (1).

373118108261 is an equidigital number, since it uses as much as digits as its factorization.

373118108261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 373118108261 in words is "three hundred seventy-three billion, one hundred eighteen million, one hundred eight thousand, two hundred sixty-one".