1011105525 has 12 divisors (see below), whose sum is σ = 1671694592. Its totient is φ = 539256240.

The previous prime is 1011105521. The next prime is 1011105587. The reversal of 1011105525 is 5255011101.

It is not a de Polignac number, because 1011105525 - 2² = 1011105521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011105521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6740629 + ... + 6740778.

Almost surely, 2^1011105525 is an apocalyptic number.

1011105525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011105525 is a deficient number, since it is larger than the sum of its proper divisors (660589067).

1011105525 is a wasteful number, since it uses less digits than its factorization.

1011105525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13481420 (or 13481415 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 1011105525 is about 31797.8855429099. The cubic root of 1011105525 is about 1003.6882219618.

Adding to 1011105525 its reverse (5255011101), we get a palindrome (6266116626).

The spelling of 1011105525 in words is "one billion, eleven million, one hundred five thousand, five hundred twenty-five".