11025440642 has 8 divisors (see below), whose sum is σ = 16540441932. Its totient is φ = 5511960000.

The previous prime is 11025440567. The next prime is 11025440651. The reversal of 11025440642 is 24604452011.

It can be written as a sum of positive squares in 2 ways, for example, as 9550957441 + 1474483201 = 97729^2 + 38399^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361859 + ... + 391142.

Almost surely, 2^11025440642 is an apocalyptic number.

11025440642 is a deficient number, since it is larger than the sum of its proper divisors (5515001290).

11025440642 is an equidigital number, since it uses as much as digits as its factorization.

11025440642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760324.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 11025440642 its reverse (24604452011), we get a palindrome (35629892653).

The spelling of 11025440642 in words is "eleven billion, twenty-five million, four hundred forty thousand, six hundred forty-two".