11501875 has 40 divisors (see below), whose sum is σ = 17994240. Its totient is φ = 7140000.

The previous prime is 11501869. The next prime is 11501879. The reversal of 11501875 is 57810511.

11501875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11501875 - 2⁹ = 11501363 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11501879) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48006 + ... + 48244.

It is an arithmetic number, because the mean of its divisors is an integer number (449856).

Almost surely, 2^11501875 is an apocalyptic number.

11501875 is a deficient number, since it is larger than the sum of its proper divisors (6492365).

11501875 is an equidigital number, since it uses as much as digits as its factorization.

11501875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 11501875 is about 3391.4414339629. The cubic root of 11501875 is about 225.7301383827.

It can be divided in two parts, 1150 and 1875, that added together give a square (3025 = 55²).

The spelling of 11501875 in words is "eleven million, five hundred one thousand, eight hundred seventy-five".