1011434511 has 8 divisors (see below), whose sum is σ = 1352916864. Its totient is φ = 672120920.

The previous prime is 1011434509. The next prime is 1011434521. The reversal of 1011434511 is 1154341101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011434511 - 2¹ = 1011434509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011434521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541101 + ... + 542966.

It is an arithmetic number, because the mean of its divisors is an integer number (169114608).

Almost surely, 2^1011434511 is an apocalyptic number.

1011434511 is a deficient number, since it is larger than the sum of its proper divisors (341482353).

1011434511 is a wasteful number, since it uses less digits than its factorization.

1011434511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084381.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1011434511 is about 31803.0582020032. The cubic root of 1011434511 is about 1003.7970676952.

Adding to 1011434511 its reverse (1154341101), we get a palindrome (2165775612).

The spelling of 1011434511 in words is "one billion, eleven million, four hundred thirty-four thousand, five hundred eleven".