1055001000109 has 8 divisors (see below), whose sum is σ = 1220242121280. Its totient is φ = 893391552096.

The previous prime is 1055001000059. The next prime is 1055001000127. The reversal of 1055001000109 is 9010001005501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055001000109 - 2⁷ = 1055000999981 is a prime.

It is a super-2 number, since 2×1055001000109² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055001000109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055001000709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907917664 + ... + 907918825.

It is an arithmetic number, because the mean of its divisors is an integer number (152530265160).

Almost surely, 2^{1055001000109} is an apocalyptic number.

It is an amenable number.

1055001000109 is a deficient number, since it is larger than the sum of its proper divisors (165241121171).

1055001000109 is an equidigital number, since it uses as much as digits as its factorization.

1055001000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815836579.

The product of its (nonzero) digits is 225, while the sum is 22.

The spelling of 1055001000109 in words is "one trillion, fifty-five billion, one million, one hundred nine", and thus it is an aban number.