1055100111 has 8 divisors (see below), whose sum is σ = 1515015600. Its totient is φ = 649292352.

The previous prime is 1055100107. The next prime is 1055100119. The reversal of 1055100111 is 1110015501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055100111 - 2² = 1055100107 is a prime.

It is a super-2 number, since 2×1055100111² = 2226472488464424642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055100119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13526886 + ... + 13526963.

It is an arithmetic number, because the mean of its divisors is an integer number (189376950).

Almost surely, 2^1055100111 is an apocalyptic number.

1055100111 is a deficient number, since it is larger than the sum of its proper divisors (459915489).

1055100111 is a wasteful number, since it uses less digits than its factorization.

1055100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27053865.

The product of its (nonzero) digits is 25, while the sum is 15.

The square root of 1055100111 is about 32482.3045826493. The cubic root of 1055100111 is about 1018.0393294877.

Adding to 1055100111 its reverse (1110015501), we get a palindrome (2165115612).

The spelling of 1055100111 in words is "one billion, fifty-five million, one hundred thousand, one hundred eleven".