11912495745 has 8 divisors (see below), whose sum is σ = 19059993216. Its totient is φ = 6353331056.

The previous prime is 11912495717. The next prime is 11912495753. The reversal of 11912495745 is 54759421911.

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 11912495745 - 2⁸ = 11912495489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11912495694 and 11912495703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397083177 + ... + 397083206.

It is an arithmetic number, because the mean of its divisors is an integer number (2382499152).

Almost surely, 2^11912495745 is an apocalyptic number.

11912495745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11912495745 is a deficient number, since it is larger than the sum of its proper divisors (7147497471).

11912495745 is an equidigital number, since it uses as much as digits as its factorization.

11912495745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794166391.

The product of its digits is 453600, while the sum is 48.

The spelling of 11912495745 in words is "eleven billion, nine hundred twelve million, four hundred ninety-five thousand, seven hundred forty-five".