11471309049 has 8 divisors (see below), whose sum is σ = 15822495360. Its totient is φ = 7383831056.

The previous prime is 11471309021. The next prime is 11471309089. The reversal of 11471309049 is 94090317411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11471309049 - 2⁷ = 11471308921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11471308998 and 11471309016.

It is not an unprimeable number, because it can be changed into a prime (11471309089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65926977 + ... + 65927150.

It is an arithmetic number, because the mean of its divisors is an integer number (1977811920).

Almost surely, 2^11471309049 is an apocalyptic number.

It is an amenable number.

11471309049 is a deficient number, since it is larger than the sum of its proper divisors (4351186311).

11471309049 is a wasteful number, since it uses less digits than its factorization.

11471309049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131854159.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 11471309049 in words is "eleven billion, four hundred seventy-one million, three hundred nine thousand, forty-nine".