11850870745 has 12 divisors (see below), whose sum is σ = 16542848484. Its totient is φ = 8126311200.

The previous prime is 11850870737. The next prime is 11850870749. The reversal of 11850870745 is 54707805811.

It can be written as a sum of positive squares in 2 ways, for example, as 8725054464 + 3125816281 = 93408^2 + 55909^2 .

It is not a de Polignac number, because 11850870745 - 2³ = 11850870737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11850870695 and 11850870704.

It is not an unprimeable number, because it can be changed into a prime (11850870749) 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, 24185206 + ... + 24185695.

It is an arithmetic number, because the mean of its divisors is an integer number (1378570707).

Almost surely, 2^11850870745 is an apocalyptic number.

It is an amenable number.

11850870745 is a deficient number, since it is larger than the sum of its proper divisors (4691977739).

11850870745 is an equidigital number, since it uses as much as digits as its factorization.

11850870745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48370920 (or 48370913 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 46.

The spelling of 11850870745 in words is "eleven billion, eight hundred fifty million, eight hundred seventy thousand, seven hundred forty-five".