2152440511 has 4 divisors (see below), whose sum is σ = 2318012872. Its totient is φ = 1986868152.

The previous prime is 2152440491. The next prime is 2152440527. The reversal of 2152440511 is 1150442512.

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 2152440511 - 2⁷ = 2152440383 is a prime.

It is a super-2 number, since 2×2152440511² = 9266000306787882242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152440541) 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, 82786161 + ... + 82786186.

It is an arithmetic number, because the mean of its divisors is an integer number (579503218).

Almost surely, 2^2152440511 is an apocalyptic number.

2152440511 is a deficient number, since it is larger than the sum of its proper divisors (165572361).

2152440511 is a wasteful number, since it uses less digits than its factorization.

2152440511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165572360.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2152440511 is about 46394.4017204662. The cubic root of 2152440511 is about 1291.1510490272.

The spelling of 2152440511 in words is "two billion, one hundred fifty-two million, four hundred forty thousand, five hundred eleven".