11251251 has 32 divisors (see below), whose sum is σ = 18627840. Its totient is φ = 6652800.

The previous prime is 11251213. The next prime is 11251277. The reversal of 11251251 is 15215211.

It is not a de Polignac number, because 11251251 - 2⁶ = 11251187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12331 + ... + 13211.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 2^11251251 is an apocalyptic number.

11251251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11251251 is a deficient number, since it is larger than the sum of its proper divisors (7376589).

11251251 is a wasteful number, since it uses less digits than its factorization.

11251251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 938 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 11251251 is about 3354.2884491349. The cubic root of 11251251 is about 224.0785425568.

Adding to 11251251 its reverse (15215211), we get a palindrome (26466462).

The spelling of 11251251 in words is "eleven million, two hundred fifty-one thousand, two hundred fifty-one".