11978254796 has 24 divisors (see below), whose sum is σ = 22165906560. Its totient is φ = 5654563200.

The previous prime is 11978254793. The next prime is 11978254823. The reversal of 11978254796 is 69745287911.

It is not an unprimeable number, because it can be changed into a prime (11978254793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172951 + ... + 1183118.

It is an arithmetic number, because the mean of its divisors is an integer number (923579440).

Almost surely, 2^11978254796 is an apocalyptic number.

It is an amenable number.

11978254796 is a deficient number, since it is larger than the sum of its proper divisors (10187651764).

11978254796 is a wasteful number, since it uses less digits than its factorization.

11978254796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356145 (or 2356143 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 59.

The spelling of 11978254796 in words is "eleven billion, nine hundred seventy-eight million, two hundred fifty-four thousand, seven hundred ninety-six".