11071606055978 has 16 divisors (see below), whose sum is σ = 17907342402600. Its totient is φ = 5103560508096.

The previous prime is 11071606055969. The next prime is 11071606055999. The reversal of 11071606055978 is 87955060617011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8892962159449 + 2178643896529 = 2982107^2 + 1476023^2 .

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 267125453 + ... + 267166896.

Almost surely, 2^{11071606055978} is an apocalyptic number.

11071606055978 is a deficient number, since it is larger than the sum of its proper divisors (6835736346622).

11071606055978 is a wasteful number, since it uses less digits than its factorization.

11071606055978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534293161.

The product of its (nonzero) digits is 3175200, while the sum is 56.

The spelling of 11071606055978 in words is "eleven trillion, seventy-one billion, six hundred six million, fifty-five thousand, nine hundred seventy-eight".