107253381721 has 2 divisors, whose sum is σ = 107253381722. Its totient is φ = 107253381720.

The previous prime is 107253381679. The next prime is 107253381727. The reversal of 107253381721 is 127183352701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100956165696 + 6297216025 = 317736^2 + 79355^2 .

It is a cyclic number.

It is not a de Polignac number, because 107253381721 - 2¹⁹ = 107252857433 is a prime.

It is not a weakly prime, because it can be changed into another prime (107253381727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53626690860 + 53626690861.

It is an arithmetic number, because the mean of its divisors is an integer number (53626690861).

Almost surely, 2^107253381721 is an apocalyptic number.

It is an amenable number.

107253381721 is a deficient number, since it is larger than the sum of its proper divisors (1).

107253381721 is an equidigital number, since it uses as much as digits as its factorization.

107253381721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 107253381721 in words is "one hundred seven billion, two hundred fifty-three million, three hundred eighty-one thousand, seven hundred twenty-one".