11247199943 has 8 divisors (see below), whose sum is σ = 12875335200. Its totient is φ = 9624412800.

The previous prime is 11247199933. The next prime is 11247199961. The reversal of 11247199943 is 34999174211.

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

It is a cyclic number.

It is not a de Polignac number, because 11247199943 - 2¹⁴ = 11247183559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11247199891 and 11247199900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247199933) 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, 1332518 + ... + 1340931.

It is an arithmetic number, because the mean of its divisors is an integer number (1609416900).

Almost surely, 2^11247199943 is an apocalyptic number.

11247199943 is a deficient number, since it is larger than the sum of its proper divisors (1628135257).

11247199943 is an equidigital number, since it uses as much as digits as its factorization.

11247199943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674057.

The product of its digits is 489888, while the sum is 50.

The spelling of 11247199943 in words is "eleven billion, two hundred forty-seven million, one hundred ninety-nine thousand, nine hundred forty-three".