11355042788 has 24 divisors (see below), whose sum is σ = 20056188600. Its totient is φ = 5624868608.

The previous prime is 11355042779. The next prime is 11355042791. The reversal of 11355042788 is 88724055311.

It can be written as a sum of positive squares in 4 ways, for example, as 2689667044 + 8665375744 = 51862^2 + 93088^2 .

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, 258578 + ... + 299286.

It is an arithmetic number, because the mean of its divisors is an integer number (835674525).

Almost surely, 2^11355042788 is an apocalyptic number.

It is an amenable number.

11355042788 is a deficient number, since it is larger than the sum of its proper divisors (8701145812).

11355042788 is a wasteful number, since it uses less digits than its factorization.

11355042788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41359 (or 41357 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 11355042788 in words is "eleven billion, three hundred fifty-five million, forty-two thousand, seven hundred eighty-eight".