11178275578 has 32 divisors (see below), whose sum is σ = 17257665600. Its totient is φ = 5428435584.

The previous prime is 11178275569. The next prime is 11178275617. The reversal of 11178275578 is 87557287111.

It is a super-2 number, since 2×11178275578² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4995876 + ... + 4998112.

It is an arithmetic number, because the mean of its divisors is an integer number (539302050).

Almost surely, 2^11178275578 is an apocalyptic number.

11178275578 is a deficient number, since it is larger than the sum of its proper divisors (6079390022).

11178275578 is a wasteful number, since it uses less digits than its factorization.

11178275578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its digits is 1097600, while the sum is 52.

The spelling of 11178275578 in words is "eleven billion, one hundred seventy-eight million, two hundred seventy-five thousand, five hundred seventy-eight".