115802343421 has 2 divisors, whose sum is σ = 115802343422. Its totient is φ = 115802343420.

The previous prime is 115802343373. The next prime is 115802343443. The reversal of 115802343421 is 124343208511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81573643321 + 34228700100 = 285611^2 + 185010^2 .

It is a cyclic number.

It is not a de Polignac number, because 115802343421 - 2²⁷ = 115668125693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115802343721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57901171710 + 57901171711.

It is an arithmetic number, because the mean of its divisors is an integer number (57901171711).

Almost surely, 2^115802343421 is an apocalyptic number.

It is an amenable number.

115802343421 is a deficient number, since it is larger than the sum of its proper divisors (1).

115802343421 is an equidigital number, since it uses as much as digits as its factorization.

115802343421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 115802343421 in words is "one hundred fifteen billion, eight hundred two million, three hundred forty-three thousand, four hundred twenty-one".