11276213545 has 4 divisors (see below), whose sum is σ = 13531456260. Its totient is φ = 9020970832.

The previous prime is 11276213527. The next prime is 11276213563. The reversal of 11276213545 is 54531267211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54531267211 = 197 ⋅276808463.

It is an interprime number because it is at equal distance from previous prime (11276213527) and next prime (11276213563).

It can be written as a sum of positive squares in 2 ways, for example, as 8725054464 + 2551159081 = 93408^2 + 50509^2 .

It is a cyclic number.

It is not a de Polignac number, because 11276213545 - 2¹¹ = 11276211497 is a prime.

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, 1127621350 + ... + 1127621359.

It is an arithmetic number, because the mean of its divisors is an integer number (3382864065).

Almost surely, 2^11276213545 is an apocalyptic number.

It is an amenable number.

11276213545 is a deficient number, since it is larger than the sum of its proper divisors (2255242715).

11276213545 is an equidigital number, since it uses as much as digits as its factorization.

11276213545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255242714.

The product of its digits is 50400, while the sum is 37.

The spelling of 11276213545 in words is "eleven billion, two hundred seventy-six million, two hundred thirteen thousand, five hundred forty-five".