2115258716020 has 24 divisors (see below), whose sum is σ = 4442098042368. Its totient is φ = 846093060000.

The previous prime is 2115258715991. The next prime is 2115258716023. The reversal of 2115258716020 is 206178525112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115258716023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130845 + ... + 2347195.

It is an arithmetic number, because the mean of its divisors is an integer number (185087418432).

Almost surely, 2^{2115258716020} is an apocalyptic number.

2115258716020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115258716020 is an abundant number, since it is smaller than the sum of its proper divisors (2326839326348).

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

2115258716020 is a wasteful number, since it uses less digits than its factorization.

2115258716020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303311 (or 1303309 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 2115258716020 in words is "two trillion, one hundred fifteen billion, two hundred fifty-eight million, seven hundred sixteen thousand, twenty".