11012111132505 has 64 divisors (see below), whose sum is σ = 20168322859008. Its totient is φ = 5026138467840.

The previous prime is 11012111132459. The next prime is 11012111132521. The reversal of 11012111132505 is 50523111121011.

It is not a de Polignac number, because 11012111132505 - 2¹⁰ = 11012111131481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 385145760 + ... + 385174350.

It is an arithmetic number, because the mean of its divisors is an integer number (315130044672).

Almost surely, 2^{11012111132505} is an apocalyptic number.

11012111132505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11012111132505 is a deficient number, since it is larger than the sum of its proper divisors (9156211726503).

11012111132505 is a wasteful number, since it uses less digits than its factorization.

11012111132505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34286.

The product of its (nonzero) digits is 300, while the sum is 24.

Adding to 11012111132505 its reverse (50523111121011), we get a palindrome (61535222253516).

The spelling of 11012111132505 in words is "eleven trillion, twelve billion, one hundred eleven million, one hundred thirty-two thousand, five hundred five".