11073778138 has 16 divisors (see below), whose sum is σ = 17657849664. Its totient is φ = 5190424000.

The previous prime is 11073778091. The next prime is 11073778141. The reversal of 11073778138 is 83187737011.

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, 640270 + ... + 657337.

It is an arithmetic number, because the mean of its divisors is an integer number (1103615604).

Almost surely, 2^11073778138 is an apocalyptic number.

11073778138 is a deficient number, since it is larger than the sum of its proper divisors (6584071526).

11073778138 is a wasteful number, since it uses less digits than its factorization.

11073778138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297877.

The product of its (nonzero) digits is 197568, while the sum is 46.

The spelling of 11073778138 in words is "eleven billion, seventy-three million, seven hundred seventy-eight thousand, one hundred thirty-eight".