11147747745 has 8 divisors (see below), whose sum is σ = 17836396416. Its totient is φ = 5945465456.

The previous prime is 11147747719. The next prime is 11147747759. The reversal of 11147747745 is 54774774111.

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 11147747745 - 2⁸ = 11147747489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11147747694 and 11147747703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371591577 + ... + 371591606.

It is an arithmetic number, because the mean of its divisors is an integer number (2229549552).

Almost surely, 2^11147747745 is an apocalyptic number.

11147747745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11147747745 is a deficient number, since it is larger than the sum of its proper divisors (6688648671).

11147747745 is an equidigital number, since it uses as much as digits as its factorization.

11147747745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743183191.

The product of its digits is 768320, while the sum is 48.

The spelling of 11147747745 in words is "eleven billion, one hundred forty-seven million, seven hundred forty-seven thousand, seven hundred forty-five".