11281461151 has 4 divisors (see below), whose sum is σ = 11296056312. Its totient is φ = 11266865992.

The previous prime is 11281461097. The next prime is 11281461157. The reversal of 11281461151 is 15116418211.

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

It is a cyclic number.

It is not a de Polignac number, because 11281461151 - 2¹¹ = 11281459103 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 (11281461157) 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, 7296421 + ... + 7297966.

It is an arithmetic number, because the mean of its divisors is an integer number (2824014078).

Almost surely, 2^11281461151 is an apocalyptic number.

11281461151 is a deficient number, since it is larger than the sum of its proper divisors (14595161).

11281461151 is an equidigital number, since it uses as much as digits as its factorization.

11281461151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14595160.

The product of its digits is 1920, while the sum is 31.

Adding to 11281461151 its reverse (15116418211), we get a palindrome (26397879362).

The spelling of 11281461151 in words is "eleven billion, two hundred eighty-one million, four hundred sixty-one thousand, one hundred fifty-one".