11420156255120 has 160 divisors (see below), whose sum is σ = 29304525783168. Its totient is φ = 4120717860864.

The previous prime is 11420156255063. The next prime is 11420156255161. The reversal of 11420156255120 is 2155265102411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1677779 + ... + 5065101.

Almost surely, 2^{11420156255120} is an apocalyptic number.

11420156255120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11420156255120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14652262891584).

11420156255120 is an abundant number, since it is smaller than the sum of its proper divisors (17884369528048).

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

11420156255120 is a wasteful number, since it uses less digits than its factorization.

11420156255120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387457 (or 3387451 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 11420156255120 in words is "eleven trillion, four hundred twenty billion, one hundred fifty-six million, two hundred fifty-five thousand, one hundred twenty".