11261451 has 4 divisors (see below), whose sum is σ = 15015272. Its totient is φ = 7507632.

The previous prime is 11261447. The next prime is 11261461. The reversal of 11261451 is 15416211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11261451 - 2² = 11261447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11261461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876906 + ... + 1876911.

It is an arithmetic number, because the mean of its divisors is an integer number (3753818).

Almost surely, 2^11261451 is an apocalyptic number.

11261451 is a deficient number, since it is larger than the sum of its proper divisors (3753821).

11261451 is an equidigital number, since it uses as much as digits as its factorization.

11261451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753820.

The product of its digits is 240, while the sum is 21.

The square root of 11261451 is about 3355.8085463864. The cubic root of 11261451 is about 224.1462360900.

Adding to 11261451 its reverse (15416211), we get a palindrome (26677662).

The spelling of 11261451 in words is "eleven million, two hundred sixty-one thousand, four hundred fifty-one".