11555084738 has 8 divisors (see below), whose sum is σ = 17394309900. Its totient is φ = 5756981440.

The previous prime is 11555084729. The next prime is 11555084753. The reversal of 11555084738 is 83748055511.

It can be written as a sum of positive squares in 2 ways, for example, as 11468910649 + 86174089 = 107093^2 + 9283^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11555084692 and 11555084701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10279763 + ... + 10280886.

Almost surely, 2^11555084738 is an apocalyptic number.

11555084738 is a deficient number, since it is larger than the sum of its proper divisors (5839225162).

11555084738 is a wasteful number, since it uses less digits than its factorization.

11555084738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560932.

The product of its (nonzero) digits is 672000, while the sum is 47.

The spelling of 11555084738 in words is "eleven billion, five hundred fifty-five million, eighty-four thousand, seven hundred thirty-eight".