11512535616105 has 16 divisors (see below), whose sum is σ = 18422802720960. Its totient is φ = 6139103750208.

The previous prime is 11512535616091. The next prime is 11512535616161. The reversal of 11512535616105 is 50161653521511.

It is a happy number.

It is not a de Polignac number, because 11512535616105 - 2⁵ = 11512535616073 is a prime.

It is a super-2 number, since 2×11512535616105² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57098827 + ... + 57300096.

It is an arithmetic number, because the mean of its divisors is an integer number (1151425170060).

Almost surely, 2^{11512535616105} is an apocalyptic number.

11512535616105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11512535616105 is a deficient number, since it is larger than the sum of its proper divisors (6910267104855).

11512535616105 is a wasteful number, since it uses less digits than its factorization.

11512535616105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114405640.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 11512535616105 in words is "eleven trillion, five hundred twelve billion, five hundred thirty-five million, six hundred sixteen thousand, one hundred five".