11995466478 has 16 divisors (see below), whose sum is σ = 24011790336. Its totient is φ = 3995012600.

The previous prime is 11995466449. The next prime is 11995466501. The reversal of 11995466478 is 87466459911.

It is a congruent number.

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, 861576 + ... + 875387.

It is an arithmetic number, because the mean of its divisors is an integer number (1500736896).

Almost surely, 2^11995466478 is an apocalyptic number.

11995466478 is an abundant number, since it is smaller than the sum of its proper divisors (12016323858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11995466478 is a wasteful number, since it uses less digits than its factorization.

11995466478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738119.

The product of its digits is 13063680, while the sum is 60.

The spelling of 11995466478 in words is "eleven billion, nine hundred ninety-five million, four hundred sixty-six thousand, four hundred seventy-eight".