11155215146 has 16 divisors (see below), whose sum is σ = 16910851776. Its totient is φ = 5518302336.

The previous prime is 11155215143. The next prime is 11155215157. The reversal of 11155215146 is 64151255111.

It is not an unprimeable number, because it can be changed into a prime (11155215143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738845 + ... + 753791.

It is an arithmetic number, because the mean of its divisors is an integer number (1056928236).

Almost surely, 2^11155215146 is an apocalyptic number.

11155215146 is a deficient number, since it is larger than the sum of its proper divisors (5755636630).

11155215146 is a wasteful number, since it uses less digits than its factorization.

11155215146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18893.

The product of its digits is 6000, while the sum is 32.

The spelling of 11155215146 in words is "eleven billion, one hundred fifty-five million, two hundred fifteen thousand, one hundred forty-six".