2135378748180 has 96 divisors (see below), whose sum is σ = 6256518516864. Its totient is φ = 543590521344.

The previous prime is 2135378748109. The next prime is 2135378748229. The reversal of 2135378748180 is 818478735312.

It is a self number, because there is not a number n which added to its sum of digits gives 2135378748180.

It is a congruent number.

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, 8956702 + ... + 9192021.

It is an arithmetic number, because the mean of its divisors is an integer number (65172067884).

Almost surely, 2^{2135378748180} is an apocalyptic number.

2135378748180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135378748180 is an abundant number, since it is smaller than the sum of its proper divisors (4121139768684).

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

2135378748180 is a wasteful number, since it uses less digits than its factorization.

2135378748180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18148825 (or 18148823 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 2135378748180 in words is "two trillion, one hundred thirty-five billion, three hundred seventy-eight million, seven hundred forty-eight thousand, one hundred eighty".