11945855160 has 128 divisors (see below), whose sum is σ = 41192712000. Its totient is φ = 3075706368.

The previous prime is 11945855153. The next prime is 11945855167. The reversal of 11945855160 is 6155854911.

11945855160 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 585 + 5 + 1 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (11945855153) and next prime (11945855167).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945855167) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 159387 + ... + 222026.

Almost surely, 2^11945855160 is an apocalyptic number.

11945855160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11945855160 is an abundant number, since it is smaller than the sum of its proper divisors (29246856840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11945855160 is a wasteful number, since it uses less digits than its factorization.

11945855160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381462 (or 381452 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The spelling of 11945855160 in words is "eleven billion, nine hundred forty-five million, eight hundred fifty-five thousand, one hundred sixty".