2115906327380 has 24 divisors (see below), whose sum is σ = 4443514897248. Its totient is φ = 846341271968.

The previous prime is 2115906327287. The next prime is 2115906327397. The reversal of 2115906327380 is 837236095112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499934 + ... + 2117013.

It is an arithmetic number, because the mean of its divisors is an integer number (185146454052).

Almost surely, 2^{2115906327380} is an apocalyptic number.

2115906327380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115906327380 is an abundant number, since it is smaller than the sum of its proper divisors (2327608569868).

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

2115906327380 is a wasteful number, since it uses less digits than its factorization.

2115906327380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657383 (or 2657381 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 2115906327380 in words is "two trillion, one hundred fifteen billion, nine hundred six million, three hundred twenty-seven thousand, three hundred eighty".