11749091345 has 8 divisors (see below), whose sum is σ = 14185406976. Its totient is φ = 9341608176.

The previous prime is 11749091317. The next prime is 11749091363. The reversal of 11749091345 is 54319094711.

It is a happy number.

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 11749091345 - 2⁸ = 11749091089 is a prime.

It is a super-2 number, since 2×11749091345² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11749091296 and 11749091305.

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, 7207217 + ... + 7208846.

It is an arithmetic number, because the mean of its divisors is an integer number (1773175872).

Almost surely, 2^11749091345 is an apocalyptic number.

It is an amenable number.

11749091345 is a deficient number, since it is larger than the sum of its proper divisors (2436315631).

11749091345 is a wasteful number, since it uses less digits than its factorization.

11749091345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14416231.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 11749091345 in words is "eleven billion, seven hundred forty-nine million, ninety-one thousand, three hundred forty-five".