2061432511 has 4 divisors (see below), whose sum is σ = 2061525312. Its totient is φ = 2061339712.

The previous prime is 2061432497. The next prime is 2061432517. The reversal of 2061432511 is 1152341602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2061432511 - 2⁵ = 2061432479 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 (2061432517) 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, 8850 + ... + 64816.

It is an arithmetic number, because the mean of its divisors is an integer number (515381328).

Almost surely, 2^2061432511 is an apocalyptic number.

2061432511 is a deficient number, since it is larger than the sum of its proper divisors (92801).

2061432511 is an equidigital number, since it uses as much as digits as its factorization.

2061432511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92800.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2061432511 is about 45403.0011232738. The cubic root of 2061432511 is about 1272.6911975150.

Subtracting from 2061432511 its reverse (1152341602), we obtain a palindrome (909090909).

The spelling of 2061432511 in words is "two billion, sixty-one million, four hundred thirty-two thousand, five hundred eleven".