11253877249 has 4 divisors (see below), whose sum is σ = 11258180164. Its totient is φ = 11249574336.

The previous prime is 11253877237. The next prime is 11253877273. The reversal of 11253877249 is 94277835211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94277835211 = 7 ⋅13468262173.

It can be written as a sum of positive squares in 2 ways, for example, as 9112038849 + 2141838400 = 95457^2 + 46280^2 .

It is a cyclic number.

It is not a de Polignac number, because 11253877249 - 2⁷ = 11253877121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11253877049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147532 + ... + 2152765.

It is an arithmetic number, because the mean of its divisors is an integer number (2814545041).

Almost surely, 2^11253877249 is an apocalyptic number.

It is an amenable number.

11253877249 is a deficient number, since it is larger than the sum of its proper divisors (4302915).

11253877249 is an equidigital number, since it uses as much as digits as its factorization.

11253877249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302914.

The product of its digits is 846720, while the sum is 49.

The spelling of 11253877249 in words is "eleven billion, two hundred fifty-three million, eight hundred seventy-seven thousand, two hundred forty-nine".