2115255534320 has 20 divisors (see below), whose sum is σ = 4917969117480. Its totient is φ = 846102213696.

The previous prime is 2115255534313. The next prime is 2115255534341. The reversal of 2115255534320 is 234355525112.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13220347010 + ... + 13220347169.

It is an arithmetic number, because the mean of its divisors is an integer number (245898455874).

Almost surely, 2^{2115255534320} is an apocalyptic number.

2115255534320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115255534320 is an abundant number, since it is smaller than the sum of its proper divisors (2802713583160).

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

2115255534320 is a wasteful number, since it uses less digits than its factorization.

2115255534320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26440694192 (or 26440694186 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 2115255534320 in words is "two trillion, one hundred fifteen billion, two hundred fifty-five million, five hundred thirty-four thousand, three hundred twenty".