115474212709 has 2 divisors, whose sum is σ = 115474212710. Its totient is φ = 115474212708.

The previous prime is 115474212703. The next prime is 115474212809. The reversal of 115474212709 is 907212474511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65291492484 + 50182720225 = 255522^2 + 224015^2 .

It is a cyclic number.

It is not a de Polignac number, because 115474212709 - 2¹¹ = 115474210661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115474212703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57737106354 + 57737106355.

It is an arithmetic number, because the mean of its divisors is an integer number (57737106355).

Almost surely, 2^115474212709 is an apocalyptic number.

It is an amenable number.

115474212709 is a deficient number, since it is larger than the sum of its proper divisors (1).

115474212709 is an equidigital number, since it uses as much as digits as its factorization.

115474212709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 115474212709 in words is "one hundred fifteen billion, four hundred seventy-four million, two hundred twelve thousand, seven hundred nine".