1011814641 has 18 divisors (see below), whose sum is σ = 1469726258. Its totient is φ = 670760640.

The previous prime is 1011814633. The next prime is 1011814697. The reversal of 1011814641 is 1464181101.

1011814641 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 8 + 14 + 641 = 666.

1011814641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 944640225 + 67174416 = 30735^2 + 8196^2 .

It is not a de Polignac number, because 1011814641 - 2³ = 1011814633 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011814621) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1481086 + ... + 1481768.

Almost surely, 2^1011814641 is an apocalyptic number.

It is an amenable number.

1011814641 is a deficient number, since it is larger than the sum of its proper divisors (457911617).

1011814641 is an frugal number, since it uses more digits than its factorization.

1011814641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 1011814641 is about 31809.0339526368. The cubic root of 1011814641 is about 1003.9228051446.

Adding to 1011814641 its reverse (1464181101), we get a palindrome (2475995742).

The spelling of 1011814641 in words is "one billion, eleven million, eight hundred fourteen thousand, six hundred forty-one".