2152504111 has 4 divisors (see below), whose sum is σ = 2154942712. Its totient is φ = 2150065512.

The previous prime is 2152504097. The next prime is 2152504153. The reversal of 2152504111 is 1114052512.

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 2152504111 - 2²⁷ = 2018286383 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 (2152501111) 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, 1217976 + ... + 1219741.

It is an arithmetic number, because the mean of its divisors is an integer number (538735678).

Almost surely, 2^2152504111 is an apocalyptic number.

2152504111 is a deficient number, since it is larger than the sum of its proper divisors (2438601).

2152504111 is an equidigital number, since it uses as much as digits as its factorization.

2152504111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438600.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2152504111 is about 46395.0871429293. The cubic root of 2152504111 is about 1291.1637658166.

Adding to 2152504111 its reverse (1114052512), we get a palindrome (3266556623).

The spelling of 2152504111 in words is "two billion, one hundred fifty-two million, five hundred four thousand, one hundred eleven".