1055101665 has 8 divisors (see below), whose sum is σ = 1688162688. Its totient is φ = 562720880.

The previous prime is 1055101639. The next prime is 1055101669. The reversal of 1055101665 is 5661015501.

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

It is not a de Polignac number, because 1055101665 - 2¹⁵ = 1055068897 is a prime.

It is a super-2 number, since 2×1055101665² = 2226479046971544450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1055101669) 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 7 ways as a sum of consecutive naturals, for example, 35170041 + ... + 35170070.

It is an arithmetic number, because the mean of its divisors is an integer number (211020336).

Almost surely, 2^1055101665 is an apocalyptic number.

1055101665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055101665 is a deficient number, since it is larger than the sum of its proper divisors (633061023).

1055101665 is an equidigital number, since it uses as much as digits as its factorization.

1055101665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70340119.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1055101665 is about 32482.3285033570. The cubic root of 1055101665 is about 1018.0398292925.

The spelling of 1055101665 in words is "one billion, fifty-five million, one hundred one thousand, six hundred sixty-five".