11249656448129 has 4 divisors (see below), whose sum is σ = 12272352488880. Its totient is φ = 10226960407380.

The previous prime is 11249656448053. The next prime is 11249656448183. The reversal of 11249656448129 is 92184465694211.

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 11249656448129 - 2³² = 11245361480833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11249656448029) 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, 511348020359 + ... + 511348020380.

It is an arithmetic number, because the mean of its divisors is an integer number (3068088122220).

Almost surely, 2^{11249656448129} is an apocalyptic number.

It is an amenable number.

11249656448129 is a deficient number, since it is larger than the sum of its proper divisors (1022696040751).

11249656448129 is a wasteful number, since it uses less digits than its factorization.

11249656448129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022696040750.

The product of its digits is 29859840, while the sum is 62.

The spelling of 11249656448129 in words is "eleven trillion, two hundred forty-nine billion, six hundred fifty-six million, four hundred forty-eight thousand, one hundred twenty-nine".