11536420105 has 24 divisors (see below), whose sum is σ = 16150163400. Its totient is φ = 7887962880.

The previous prime is 11536420097. The next prime is 11536420111. The reversal of 11536420105 is 50102463511.

It can be written as a sum of positive squares in 4 ways, for example, as 2165599296 + 9370820809 = 46536^2 + 96803^2 .

It is not a de Polignac number, because 11536420105 - 2³ = 11536420097 is a prime.

It is a super-2 number, since 2×11536420105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18045 + ... + 152965.

It is an arithmetic number, because the mean of its divisors is an integer number (672923475).

Almost surely, 2^11536420105 is an apocalyptic number.

It is an amenable number.

11536420105 is a deficient number, since it is larger than the sum of its proper divisors (4613743295).

11536420105 is a wasteful number, since it uses less digits than its factorization.

11536420105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135289 (or 135282 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 11536420105 its reverse (50102463511), we get a palindrome (61638883616).

The spelling of 11536420105 in words is "eleven billion, five hundred thirty-six million, four hundred twenty thousand, one hundred five".