1055266765 has 8 divisors (see below), whose sum is σ = 1447223040. Its totient is φ = 723611472.

The previous prime is 1055266759. The next prime is 1055266769. The reversal of 1055266765 is 5676625501.

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 1055266765 - 2⁹ = 1055266253 is a prime.

It is a super-2 number, since 2×1055266765² = 2227175890627130450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055266769) 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, 15075205 + ... + 15075274.

It is an arithmetic number, because the mean of its divisors is an integer number (180902880).

Almost surely, 2^1055266765 is an apocalyptic number.

It is an amenable number.

1055266765 is a deficient number, since it is larger than the sum of its proper divisors (391956275).

1055266765 is an equidigital number, since it uses as much as digits as its factorization.

1055266765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30150491.

The product of its (nonzero) digits is 378000, while the sum is 43.

The square root of 1055266765 is about 32484.8697857941. The cubic root of 1055266765 is about 1018.0929267381.

The spelling of 1055266765 in words is "one billion, fifty-five million, two hundred sixty-six thousand, seven hundred sixty-five".