11455154465 has 4 divisors (see below), whose sum is σ = 13746185364. Its totient is φ = 9164123568.

The previous prime is 11455154443. The next prime is 11455154497. The reversal of 11455154465 is 56445155411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6644206144 + 4810948321 = 81512^2 + 69361^2 .

It is a cyclic number.

It is not a de Polignac number, because 11455154465 - 2¹⁰ = 11455153441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145515442 + ... + 1145515451.

It is an arithmetic number, because the mean of its divisors is an integer number (3436546341).

Almost surely, 2^11455154465 is an apocalyptic number.

It is an amenable number.

11455154465 is a deficient number, since it is larger than the sum of its proper divisors (2291030899).

11455154465 is an equidigital number, since it uses as much as digits as its factorization.

11455154465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291030898.

The product of its digits is 240000, while the sum is 41.

The spelling of 11455154465 in words is "eleven billion, four hundred fifty-five million, one hundred fifty-four thousand, four hundred sixty-five".