1055265193965 has 8 divisors (see below), whose sum is σ = 1688424310368. Its totient is φ = 562808103440.

The previous prime is 1055265193951. The next prime is 1055265193967. The reversal of 1055265193965 is 5693915625501.

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

It is not a de Polignac number, because 1055265193965 - 2⁵ = 1055265193933 is a prime.

It is a super-2 number, since 2×1055265193965² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055265193967) 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, 35175506451 + ... + 35175506480.

It is an arithmetic number, because the mean of its divisors is an integer number (211053038796).

Almost surely, 2^{1055265193965} is an apocalyptic number.

1055265193965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055265193965 is a deficient number, since it is larger than the sum of its proper divisors (633159116403).

1055265193965 is an equidigital number, since it uses as much as digits as its factorization.

1055265193965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70351012939.

The product of its (nonzero) digits is 10935000, while the sum is 57.

The spelling of 1055265193965 in words is "one trillion, fifty-five billion, two hundred sixty-five million, one hundred ninety-three thousand, nine hundred sixty-five".