1055505111 has 8 divisors (see below), whose sum is σ = 1407778944. Its totient is φ = 703450680.

The previous prime is 1055505071. The next prime is 1055505127. The reversal of 1055505111 is 1115055501.

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

It is not a de Polignac number, because 1055505111 - 2⁹ = 1055504599 is a prime.

It is a super-2 number, since 2×1055505111² = 2228182078694244642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055505131) 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, 43275 + ... + 63116.

It is an arithmetic number, because the mean of its divisors is an integer number (175972368).

Almost surely, 2^1055505111 is an apocalyptic number.

1055505111 is a deficient number, since it is larger than the sum of its proper divisors (352273833).

1055505111 is a wasteful number, since it uses less digits than its factorization.

1055505111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109701.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 1055505111 is about 32488.5381480916. The cubic root of 1055505111 is about 1018.1695708998.

The spelling of 1055505111 in words is "one billion, fifty-five million, five hundred five thousand, one hundred eleven".