1006632511 has 4 divisors (see below), whose sum is σ = 1028050272. Its totient is φ = 985214752.

The previous prime is 1006632499. The next prime is 1006632541. The reversal of 1006632511 is 1152366001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1152366001 = 20681 ⋅55721.

It is not a de Polignac number, because 1006632511 - 2⁵ = 1006632479 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 (1006632541) 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, 10708810 + ... + 10708903.

It is an arithmetic number, because the mean of its divisors is an integer number (257012568).

Almost surely, 2^1006632511 is an apocalyptic number.

1006632511 is a deficient number, since it is larger than the sum of its proper divisors (21417761).

1006632511 is an equidigital number, since it uses as much as digits as its factorization.

1006632511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21417760.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1006632511 is about 31727.4724962453. The cubic root of 1006632511 is about 1002.2059671307.

Adding to 1006632511 its reverse (1152366001), we get a palindrome (2158998512).

The spelling of 1006632511 in words is "one billion, six million, six hundred thirty-two thousand, five hundred eleven".