115250761 has 4 divisors (see below), whose sum is σ = 115894800. Its totient is φ = 114606724.

The previous prime is 115250749. The next prime is 115250767. The reversal of 115250761 is 167052511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 167052511 = 9413 ⋅17747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115250761 is a prime.

It is a super-2 number, since 2×115250761² = 26565475822158242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115250767) 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, 321751 + ... + 322108.

It is an arithmetic number, because the mean of its divisors is an integer number (28973700).

Almost surely, 2^115250761 is an apocalyptic number.

It is an amenable number.

115250761 is a deficient number, since it is larger than the sum of its proper divisors (644039).

115250761 is an equidigital number, since it uses as much as digits as its factorization.

115250761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644038.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 115250761 is about 10735.4907200370. The cubic root of 115250761 is about 486.6476164328.

The spelling of 115250761 in words is "one hundred fifteen million, two hundred fifty thousand, seven hundred sixty-one".