11135855554 has 16 divisors (see below), whose sum is σ = 16865012736. Its totient is φ = 5514339600.

The previous prime is 11135855543. The next prime is 11135855587. The reversal of 11135855554 is 45555853111.

It is a self number, because there is not a number n which added to its sum of digits gives 11135855554.

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, 106644 + ... + 183424.

It is an arithmetic number, because the mean of its divisors is an integer number (1054063296).

Almost surely, 2^11135855554 is an apocalyptic number.

11135855554 is a deficient number, since it is larger than the sum of its proper divisors (5729157182).

11135855554 is a wasteful number, since it uses less digits than its factorization.

11135855554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77481.

The product of its digits is 300000, while the sum is 43.

The spelling of 11135855554 in words is "eleven billion, one hundred thirty-five million, eight hundred fifty-five thousand, five hundred fifty-four".