2115071000 has 128 divisors (see below), whose sum is σ = 5764037760. Its totient is φ = 711360000.

The previous prime is 2115070939. The next prime is 2115071003. The reversal of 2115071000 is 1705112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115071000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115071003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368150 + ... + 373850.

It is an arithmetic number, because the mean of its divisors is an integer number (45031545).

Almost surely, 2^2115071000 is an apocalyptic number.

2115071000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115071000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2882018880).

2115071000 is an abundant number, since it is smaller than the sum of its proper divisors (3648966760).

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

2115071000 is a wasteful number, since it uses less digits than its factorization.

2115071000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782 (or 5768 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 2115071000 is about 45989.9010653426. The cubic root of 2115071000 is about 1283.6352955977.

Adding to 2115071000 its reverse (1705112), we get a palindrome (2116776112).

The spelling of 2115071000 in words is "two billion, one hundred fifteen million, seventy-one thousand".