115628761 has 4 divisors (see below), whose sum is σ = 115809232. Its totient is φ = 115448292.

The previous prime is 115628717. The next prime is 115628767. The reversal of 115628761 is 167826511.

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: 167826511 = 1289 ⋅130199.

It is a cyclic number.

It is not a de Polignac number, because 115628761 - 2¹¹ = 115626713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115628761.

It is not an unprimeable number, because it can be changed into a prime (115628767) 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, 89271 + ... + 90556.

It is an arithmetic number, because the mean of its divisors is an integer number (28952308).

Almost surely, 2^115628761 is an apocalyptic number.

It is an amenable number.

115628761 is a deficient number, since it is larger than the sum of its proper divisors (180471).

115628761 is an equidigital number, since it uses as much as digits as its factorization.

115628761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180470.

The product of its digits is 20160, while the sum is 37.

The square root of 115628761 is about 10753.0814653289. The cubic root of 115628761 is about 487.1790722292.

It can be divided in two parts, 1156287 and 61, that multiplied together give a palindrome (70533507).

The spelling of 115628761 in words is "one hundred fifteen million, six hundred twenty-eight thousand, seven hundred sixty-one".