11005071605 has 48 divisors (see below), whose sum is σ = 15432681600. Its totient is φ = 7506576000.

The previous prime is 11005071593. The next prime is 11005071607. The reversal of 11005071605 is 50617050011.

It is not a de Polignac number, because 11005071605 - 2⁶ = 11005071541 is a prime.

It is a super-2 number, since 2×11005071605² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005071607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1156256 + ... + 1165734.

It is an arithmetic number, because the mean of its divisors is an integer number (321514200).

Almost surely, 2^11005071605 is an apocalyptic number.

It is an amenable number.

11005071605 is a deficient number, since it is larger than the sum of its proper divisors (4427609995).

11005071605 is a wasteful number, since it uses less digits than its factorization.

11005071605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626 (or 9615 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

It can be divided in two parts, 1100 and 5071605, that added together give a palindrome (5072705).

The spelling of 11005071605 in words is "eleven billion, five million, seventy-one thousand, six hundred five".