115415789 has 2 divisors, whose sum is σ = 115415790. Its totient is φ = 115415788.

The previous prime is 115415777. The next prime is 115415801. The reversal of 115415789 is 987514511.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (115415777) and next prime (115415801).

It can be written as a sum of positive squares in only one way, i.e., 109893289 + 5522500 = 10483^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 115415789 - 2¹² = 115411693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115415689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57707894 + 57707895.

It is an arithmetic number, because the mean of its divisors is an integer number (57707895).

Almost surely, 2^115415789 is an apocalyptic number.

It is an amenable number.

115415789 is a deficient number, since it is larger than the sum of its proper divisors (1).

115415789 is an equidigital number, since it uses as much as digits as its factorization.

115415789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 41.

The square root of 115415789 is about 10743.1740654241. The cubic root of 115415789 is about 486.8797831746.

The spelling of 115415789 in words is "one hundred fifteen million, four hundred fifteen thousand, seven hundred eighty-nine".