1055180709 has 16 divisors (see below), whose sum is σ = 1705343040. Its totient is φ = 639503280.

The previous prime is 1055180699. The next prime is 1055180717. The reversal of 1055180709 is 9070815501.

It is not a de Polignac number, because 1055180709 - 2⁵ = 1055180677 is a prime.

It is a super-2 number, since 2×1055180709² = 2226812657291485362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055180309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1776102 + ... + 1776695.

It is an arithmetic number, because the mean of its divisors is an integer number (106583940).

Almost surely, 2^1055180709 is an apocalyptic number.

It is an amenable number.

1055180709 is a deficient number, since it is larger than the sum of its proper divisors (650162331).

1055180709 is a wasteful number, since it uses less digits than its factorization.

1055180709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552817 (or 3552811 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 1055180709 is about 32483.5452036874. The cubic root of 1055180709 is about 1018.0652511495.

The spelling of 1055180709 in words is "one billion, fifty-five million, one hundred eighty thousand, seven hundred nine".