115625199 has 4 divisors (see below), whose sum is σ = 154166936. Its totient is φ = 77083464.

The previous prime is 115625197. The next prime is 115625201. The reversal of 115625199 is 991526511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991526511 = 3 ⋅330508837.

It is an interprime number because it is at equal distance from previous prime (115625197) and next prime (115625201).

It is not a de Polignac number, because 115625199 - 2¹ = 115625197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115625197) 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, 19270864 + ... + 19270869.

It is an arithmetic number, because the mean of its divisors is an integer number (38541734).

Almost surely, 2^115625199 is an apocalyptic number.

115625199 is a deficient number, since it is larger than the sum of its proper divisors (38541737).

115625199 is an equidigital number, since it uses as much as digits as its factorization.

115625199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38541736.

The product of its digits is 24300, while the sum is 39.

The square root of 115625199 is about 10752.9158371113. The cubic root of 115625199 is about 487.1740695820.

It can be divided in two parts, 11562 and 5199, that added together give a palindrome (16761).

The spelling of 115625199 in words is "one hundred fifteen million, six hundred twenty-five thousand, one hundred ninety-nine".