115538419 has 4 divisors (see below), whose sum is σ = 115765920. Its totient is φ = 115310920.

The previous prime is 115538417. The next prime is 115538441. The reversal of 115538419 is 914835511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914835511 = 23 ⋅39775457.

It is a cyclic number.

It is not a de Polignac number, because 115538419 - 2¹ = 115538417 is a prime.

It is a super-2 number, since 2×115538419² = 26698252530039122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115538417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112987 + ... + 114004.

It is an arithmetic number, because the mean of its divisors is an integer number (28941480).

Almost surely, 2^115538419 is an apocalyptic number.

115538419 is a deficient number, since it is larger than the sum of its proper divisors (227501).

115538419 is an equidigital number, since it uses as much as digits as its factorization.

115538419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227500.

The product of its digits is 21600, while the sum is 37.

The square root of 115538419 is about 10748.8798951333. The cubic root of 115538419 is about 487.0521597469.

The spelling of 115538419 in words is "one hundred fifteen million, five hundred thirty-eight thousand, four hundred nineteen".