11021652605 has 4 divisors (see below), whose sum is σ = 13225983132. Its totient is φ = 8817322080.

The previous prime is 11021652583. The next prime is 11021652641. The reversal of 11021652605 is 50625612011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2330379076 + 8691273529 = 48274^2 + 93227^2 .

It is not a de Polignac number, because 11021652605 - 2⁶ = 11021652541 is a prime.

It is a super-2 number, since 2×11021652605² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1102165256 + ... + 1102165265.

It is an arithmetic number, because the mean of its divisors is an integer number (3306495783).

Almost surely, 2^11021652605 is an apocalyptic number.

It is an amenable number.

11021652605 is a deficient number, since it is larger than the sum of its proper divisors (2204330527).

11021652605 is an equidigital number, since it uses as much as digits as its factorization.

11021652605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204330526.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 11021652605 in words is "eleven billion, twenty-one million, six hundred fifty-two thousand, six hundred five".