11145553443 has 12 divisors (see below), whose sum is σ = 16109586480. Its totient is φ = 7425544176.

The previous prime is 11145553427. The next prime is 11145553487. The reversal of 11145553443 is 34435554111.

11145553443 is a `hidden beast` number, since 1 + 114 + 5 + 5 + 534 + 4 + 3 = 666.

It is not a de Polignac number, because 11145553443 - 2⁴ = 11145553427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11145553398 and 11145553407.

It is not an unprimeable number, because it can be changed into a prime (11145553493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387408 + ... + 415181.

It is an arithmetic number, because the mean of its divisors is an integer number (1342465540).

Almost surely, 2^11145553443 is an apocalyptic number.

11145553443 is a deficient number, since it is larger than the sum of its proper divisors (4964033037).

11145553443 is a wasteful number, since it uses less digits than its factorization.

11145553443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804138 (or 804135 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 11145553443 in words is "eleven billion, one hundred forty-five million, five hundred fifty-three thousand, four hundred forty-three".