11347115891449 has 32 divisors (see below), whose sum is σ = 12640793863040. Its totient is φ = 10117774996992.

The previous prime is 11347115891437. The next prime is 11347115891491. The reversal of 11347115891449 is 94419851174311.

It is a happy number.

It is not a de Polignac number, because 11347115891449 - 2³⁹ = 10797360077561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11347115891393 and 11347115891402.

It is not an unprimeable number, because it can be changed into a prime (11347115891429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73386382 + ... + 73540840.

It is an arithmetic number, because the mean of its divisors is an integer number (395024808220).

Almost surely, 2^{11347115891449} is an apocalyptic number.

It is an amenable number.

11347115891449 is a deficient number, since it is larger than the sum of its proper divisors (1293677971591).

11347115891449 is a wasteful number, since it uses less digits than its factorization.

11347115891449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155609.

The product of its digits is 4354560, while the sum is 58.

The spelling of 11347115891449 in words is "eleven trillion, three hundred forty-seven billion, one hundred fifteen million, eight hundred ninety-one thousand, four hundred forty-nine".