11151427 has 4 divisors (see below), whose sum is σ = 12744496. Its totient is φ = 9558360.

The previous prime is 11151421. The next prime is 11151431. The reversal of 11151427 is 72415111.

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

It is not a de Polignac number, because 11151427 - 2³ = 11151419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11151398 and 11151407.

It is not an unprimeable number, because it can be changed into a prime (11151421) 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, 796524 + ... + 796537.

It is an arithmetic number, because the mean of its divisors is an integer number (3186124).

Almost surely, 2^11151427 is an apocalyptic number.

11151427 is a deficient number, since it is larger than the sum of its proper divisors (1593069).

11151427 is an equidigital number, since it uses as much as digits as its factorization.

11151427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593068.

The product of its digits is 280, while the sum is 22.

The square root of 11151427 is about 3339.3752409695. The cubic root of 11151427 is about 223.4138787718.

Adding to 11151427 its reverse (72415111), we get a palindrome (83566538).

The spelling of 11151427 in words is "eleven million, one hundred fifty-one thousand, four hundred twenty-seven".