11818256146 has 32 divisors (see below), whose sum is σ = 19428647040. Its totient is φ = 5366651136.

The previous prime is 11818256113. The next prime is 11818256159. The reversal of 11818256146 is 64165281811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3274675 + ... + 3278281.

It is an arithmetic number, because the mean of its divisors is an integer number (607145220).

Almost surely, 2^11818256146 is an apocalyptic number.

11818256146 is a deficient number, since it is larger than the sum of its proper divisors (7610390894).

11818256146 is a wasteful number, since it uses less digits than its factorization.

11818256146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978.

The product of its digits is 92160, while the sum is 43.

The spelling of 11818256146 in words is "eleven billion, eight hundred eighteen million, two hundred fifty-six thousand, one hundred forty-six".