2115724215400 has 48 divisors (see below), whose sum is σ = 4966816701600. Its totient is φ = 838073273280.

The previous prime is 2115724215389. The next prime is 2115724215401. The reversal of 2115724215400 is 45124275112.

It is not an unprimeable number, because it can be changed into a prime (2115724215401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51331930 + ... + 51373129.

It is an arithmetic number, because the mean of its divisors is an integer number (103475347950).

Almost surely, 2^{2115724215400} is an apocalyptic number.

2115724215400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115724215400 is an abundant number, since it is smaller than the sum of its proper divisors (2851092486200).

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

2115724215400 is a wasteful number, since it uses less digits than its factorization.

2115724215400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102705178 (or 102705169 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 2115724215400 in words is "two trillion, one hundred fifteen billion, seven hundred twenty-four million, two hundred fifteen thousand, four hundred".