2152340511 has 4 divisors (see below), whose sum is σ = 2869787352. Its totient is φ = 1434893672.

The previous prime is 2152340503. The next prime is 2152340527. The reversal of 2152340511 is 1150432512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2152340511 - 2³ = 2152340503 is a prime.

It is a super-2 number, since 2×2152340511² = 9265139350583482242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152340581) 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, 358723416 + ... + 358723421.

It is an arithmetic number, because the mean of its divisors is an integer number (717446838).

Almost surely, 2^2152340511 is an apocalyptic number.

2152340511 is a deficient number, since it is larger than the sum of its proper divisors (717446841).

2152340511 is an equidigital number, since it uses as much as digits as its factorization.

2152340511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717446840.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2152340511 is about 46393.3239917124. The cubic root of 2152340511 is about 1291.1310535687.

The spelling of 2152340511 in words is "two billion, one hundred fifty-two million, three hundred forty thousand, five hundred eleven".