2135116500 has 96 divisors (see below), whose sum is σ = 6782735232. Its totient is φ = 517600000.

The previous prime is 2135116471. The next prime is 2135116523. The reversal of 2135116500 is 56115312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48201 + ... + 81200.

It is an arithmetic number, because the mean of its divisors is an integer number (70653492).

Almost surely, 2^2135116500 is an apocalyptic number.

2135116500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135116500 is an abundant number, since it is smaller than the sum of its proper divisors (4647618732).

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

2135116500 is a wasteful number, since it uses less digits than its factorization.

2135116500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129434 (or 129422 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2135116500 is about 46207.3208485409. The cubic root of 2135116500 is about 1287.6777521889.

The spelling of 2135116500 in words is "two billion, one hundred thirty-five million, one hundred sixteen thousand, five hundred".