11501253 has 24 divisors (see below), whose sum is σ = 17214912. Its totient is φ = 7394688.

The previous prime is 11501249. The next prime is 11501261. The reversal of 11501253 is 35210511.

It is not a de Polignac number, because 11501253 - 2² = 11501249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11501753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43600 + ... + 43862.

It is an arithmetic number, because the mean of its divisors is an integer number (717288).

Almost surely, 2^11501253 is an apocalyptic number.

It is an amenable number.

11501253 is a deficient number, since it is larger than the sum of its proper divisors (5713659).

11501253 is a wasteful number, since it uses less digits than its factorization.

11501253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 11501253 is about 3391.3497313017. The cubic root of 11501253 is about 225.7260692874.

Adding to 11501253 its reverse (35210511), we get a palindrome (46711764).

It can be divided in two parts, 11 and 501253, that added together give a square (501264 = 708²).

The spelling of 11501253 in words is "eleven million, five hundred one thousand, two hundred fifty-three".