2115101450 has 96 divisors (see below), whose sum is σ = 4964682240. Its totient is φ = 651211200.

The previous prime is 2115101407. The next prime is 2115101453. The reversal of 2115101450 is 541015112.

It is not an unprimeable number, because it can be changed into a prime (2115101453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316241 + ... + 322859.

It is an arithmetic number, because the mean of its divisors is an integer number (51715440).

Almost surely, 2^2115101450 is an apocalyptic number.

2115101450 is an abundant number, since it is smaller than the sum of its proper divisors (2849580790).

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

2115101450 is a wasteful number, since it uses less digits than its factorization.

2115101450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732 (or 6727 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 2115101450 is about 45990.2321150916. The cubic root of 2115101450 is about 1283.6414555969.

Adding to 2115101450 its reverse (541015112), we get a palindrome (2656116562).

The spelling of 2115101450 in words is "two billion, one hundred fifteen million, one hundred one thousand, four hundred fifty".