11154210105 has 64 divisors (see below), whose sum is σ = 18805248000. Its totient is φ = 5639155200.

The previous prime is 11154210103. The next prime is 11154210139. The reversal of 11154210105 is 50101245111.

It is not a de Polignac number, because 11154210105 - 2¹ = 11154210103 is a prime.

It is a super-2 number, since 2×11154210105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11154210103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5578896 + ... + 5580894.

It is an arithmetic number, because the mean of its divisors is an integer number (293832000).

Almost surely, 2^11154210105 is an apocalyptic number.

11154210105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11154210105 is a deficient number, since it is larger than the sum of its proper divisors (7651037895).

11154210105 is a wasteful number, since it uses less digits than its factorization.

11154210105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 11154210105 its reverse (50101245111), we get a palindrome (61255455216).

The spelling of 11154210105 in words is "eleven billion, one hundred fifty-four million, two hundred ten thousand, one hundred five".