11253379949 has 4 divisors (see below), whose sum is σ = 12861005664. Its totient is φ = 9645754236.

The previous prime is 11253379937. The next prime is 11253380009. The reversal of 11253379949 is 94997335211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11253379949 - 2⁸ = 11253379693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11253379949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11253379549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803812847 + ... + 803812860.

It is an arithmetic number, because the mean of its divisors is an integer number (3215251416).

Almost surely, 2^11253379949 is an apocalyptic number.

It is an amenable number.

11253379949 is a deficient number, since it is larger than the sum of its proper divisors (1607625715).

11253379949 is an equidigital number, since it uses as much as digits as its factorization.

11253379949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607625714.

The product of its digits is 1837080, while the sum is 53.

The spelling of 11253379949 in words is "eleven billion, two hundred fifty-three million, three hundred seventy-nine thousand, nine hundred forty-nine".