11481151 has 8 divisors (see below), whose sum is σ = 12556800. Its totient is φ = 10410840.

The previous prime is 11481131. The next prime is 11481157. The reversal of 11481151 is 15118411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11481151 - 2⁷ = 11481023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4180 + ... + 6358.

It is an arithmetic number, because the mean of its divisors is an integer number (1569600).

Almost surely, 2^11481151 is an apocalyptic number.

11481151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11481151 is a deficient number, since it is larger than the sum of its proper divisors (1075649).

11481151 is a wasteful number, since it uses less digits than its factorization.

11481151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669.

The product of its digits is 160, while the sum is 22.

The square root of 11481151 is about 3388.3847184167. The cubic root of 11481151 is about 225.5944838679.

Adding to 11481151 its reverse (15118411), we get a palindrome (26599562).

The spelling of 11481151 in words is "eleven million, four hundred eighty-one thousand, one hundred fifty-one".