2115510133 has 4 divisors (see below), whose sum is σ = 2307829248. Its totient is φ = 1923191020.

The previous prime is 2115510121. The next prime is 2115510167. The reversal of 2115510133 is 3310155112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2115510133 - 2²⁹ = 1578639221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115510233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96159541 + ... + 96159562.

It is an arithmetic number, because the mean of its divisors is an integer number (576957312).

Almost surely, 2^2115510133 is an apocalyptic number.

It is an amenable number.

2115510133 is a deficient number, since it is larger than the sum of its proper divisors (192319115).

2115510133 is a wasteful number, since it uses less digits than its factorization.

2115510133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192319114.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2115510133 is about 45994.6750504882. The cubic root of 2115510133 is about 1283.7241259666.

Adding to 2115510133 its reverse (3310155112), we get a palindrome (5425665245).

The spelling of 2115510133 in words is "two billion, one hundred fifteen million, five hundred ten thousand, one hundred thirty-three".