11178234434 has 16 divisors (see below), whose sum is σ = 17758693368. Its totient is φ = 5258856192.

The previous prime is 11178234433. The next prime is 11178234497. The reversal of 11178234434 is 43443287111.

It can be written as a sum of positive squares in 4 ways, for example, as 11036553025 + 141681409 = 105055^2 + 11903^2 .

It is a super-2 number, since 2×11178234434² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11178234433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80312 + ... + 169724.

Almost surely, 2^11178234434 is an apocalyptic number.

11178234434 is a deficient number, since it is larger than the sum of its proper divisors (6580458934).

11178234434 is a wasteful number, since it uses less digits than its factorization.

11178234434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93109.

The product of its digits is 64512, while the sum is 38.

The spelling of 11178234434 in words is "eleven billion, one hundred seventy-eight million, two hundred thirty-four thousand, four hundred thirty-four".