11154215612 has 12 divisors (see below), whose sum is σ = 19522657056. Its totient is φ = 5576313600.

The previous prime is 11154215587. The next prime is 11154215641. The reversal of 11154215612 is 21651245111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166373 + ... + 223580.

It is an arithmetic number, because the mean of its divisors is an integer number (1626888088).

Almost surely, 2^11154215612 is an apocalyptic number.

It is an amenable number.

11154215612 is a deficient number, since it is larger than the sum of its proper divisors (8368441444).

11154215612 is a wasteful number, since it uses less digits than its factorization.

11154215612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397108 (or 397106 counting only the distinct ones).

The product of its digits is 2400, while the sum is 29.

The spelling of 11154215612 in words is "eleven billion, one hundred fifty-four million, two hundred fifteen thousand, six hundred twelve".