2115478750 has 160 divisors (see below), whose sum is σ = 5110364160. Its totient is φ = 637200000.

The previous prime is 2115478727. The next prime is 2115478801. The reversal of 2115478750 is 578745112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2983396 + ... + 2984104.

It is an arithmetic number, because the mean of its divisors is an integer number (31939776).

Almost surely, 2^2115478750 is an apocalyptic number.

2115478750 is an abundant number, since it is smaller than the sum of its proper divisors (2994885410).

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

2115478750 is a wasteful number, since it uses less digits than its factorization.

2115478750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 2115478750 is about 45994.3338901652. Note that the first 3 decimals coincide. The cubic root of 2115478750 is about 1283.7177780393.

The spelling of 2115478750 in words is "two billion, one hundred fifteen million, four hundred seventy-eight thousand, seven hundred fifty".