11178399074 has 8 divisors (see below), whose sum is σ = 16781425500. Its totient is φ = 5584590576.

The previous prime is 11178399047. The next prime is 11178399077. The reversal of 11178399074 is 47099387111.

It can be written as a sum of positive squares in 2 ways, for example, as 11133415225 + 44983849 = 105515^2 + 6707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11178399077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301449 + ... + 2306300.

Almost surely, 2^11178399074 is an apocalyptic number.

11178399074 is a deficient number, since it is larger than the sum of its proper divisors (5603026426).

11178399074 is a wasteful number, since it uses less digits than its factorization.

11178399074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608964.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 11178399074 in words is "eleven billion, one hundred seventy-eight million, three hundred ninety-nine thousand, seventy-four".