11844970945 has 8 divisors (see below), whose sum is σ = 14214960936. Its totient is φ = 9475312896.

The previous prime is 11844970931. The next prime is 11844970979. The reversal of 11844970945 is 54907944811.

It can be written as a sum of positive squares in 4 ways, for example, as 427621041 + 11417349904 = 20679^2 + 106852^2 .

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 11844970945 - 2⁹ = 11844970433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11844970892 and 11844970901.

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, 3769 + ... + 153961.

It is an arithmetic number, because the mean of its divisors is an integer number (1776870117).

Almost surely, 2^11844970945 is an apocalyptic number.

It is an amenable number.

11844970945 is a deficient number, since it is larger than the sum of its proper divisors (2369989991).

11844970945 is a wasteful number, since it uses less digits than its factorization.

11844970945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165971.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 11844970945 in words is "eleven billion, eight hundred forty-four million, nine hundred seventy thousand, nine hundred forty-five".