11154294461 has 4 divisors (see below), whose sum is σ = 11154513372. Its totient is φ = 11154075552.

The previous prime is 11154294443. The next prime is 11154294499. The reversal of 11154294461 is 16449245111.

11154294461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16449245111 = 13 ⋅1265326547.

It can be written as a sum of positive squares in 2 ways, for example, as 868480900 + 10285813561 = 29470^2 + 101419^2 .

It is a cyclic number.

It is not a de Polignac number, because 11154294461 - 2¹⁸ = 11154032317 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 (11154294761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11615 + ... + 149811.

It is an arithmetic number, because the mean of its divisors is an integer number (2788628343).

Almost surely, 2^11154294461 is an apocalyptic number.

It is an amenable number.

11154294461 is a deficient number, since it is larger than the sum of its proper divisors (218911).

11154294461 is an equidigital number, since it uses as much as digits as its factorization.

11154294461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218910.

The product of its digits is 34560, while the sum is 38.

The spelling of 11154294461 in words is "eleven billion, one hundred fifty-four million, two hundred ninety-four thousand, four hundred sixty-one".