11010405553 has 16 divisors (see below), whose sum is σ = 13262849280. Its totient is φ = 8940125376.

The previous prime is 11010405517. The next prime is 11010405577. The reversal of 11010405553 is 35550401011.

It is a happy number.

It is not a de Polignac number, because 11010405553 - 2⁹ = 11010405041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010405583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500925 + ... + 522442.

It is an arithmetic number, because the mean of its divisors is an integer number (828928080).

Almost surely, 2^11010405553 is an apocalyptic number.

It is an amenable number.

11010405553 is a deficient number, since it is larger than the sum of its proper divisors (2252443727).

11010405553 is a wasteful number, since it uses less digits than its factorization.

11010405553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023456.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 11010405553 its reverse (35550401011), we get a palindrome (46560806564).

The spelling of 11010405553 in words is "eleven billion, ten million, four hundred five thousand, five hundred fifty-three".