11235680138 has 16 divisors (see below), whose sum is σ = 17032384320. Its totient is φ = 5558253696.

The previous prime is 11235680129. The next prime is 11235680167. The reversal of 11235680138 is 83108653211.

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, 863243 + ... + 876161.

It is an arithmetic number, because the mean of its divisors is an integer number (1064524020).

Almost surely, 2^11235680138 is an apocalyptic number.

11235680138 is a deficient number, since it is larger than the sum of its proper divisors (5796704182).

11235680138 is a wasteful number, since it uses less digits than its factorization.

11235680138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17501.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 11235680138 in words is "eleven billion, two hundred thirty-five million, six hundred eighty thousand, one hundred thirty-eight".