11115553454643 has 16 divisors (see below), whose sum is σ = 16605052828416. Its totient is φ = 6554626115040.

The previous prime is 11115553454627. The next prime is 11115553454647. The reversal of 11115553454643 is 34645435551111.

It is not a de Polignac number, because 11115553454643 - 2⁴ = 11115553454627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11115553454592 and 11115553454601.

It is not an unprimeable number, because it can be changed into a prime (11115553454647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4551822471 + ... + 4551824912.

It is an arithmetic number, because the mean of its divisors is an integer number (1037815801776).

Almost surely, 2^{11115553454643} is an apocalyptic number.

11115553454643 is a deficient number, since it is larger than the sum of its proper divisors (5489499373773).

11115553454643 is a wasteful number, since it uses less digits than its factorization.

11115553454643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103647434.

The product of its digits is 2160000, while the sum is 48.

The spelling of 11115553454643 in words is "eleven trillion, one hundred fifteen billion, five hundred fifty-three million, four hundred fifty-four thousand, six hundred forty-three".