1065261388301 has 4 divisors (see below), whose sum is σ = 1162103332704. Its totient is φ = 968419443900.

The previous prime is 1065261388271. The next prime is 1065261388327. The reversal of 1065261388301 is 1038831625601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1065261388301 - 2⁶ = 1065261388237 is a prime.

It is a super-2 number, since 2×1065261388301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065261388601) 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 3 ways as a sum of consecutive naturals, for example, 48420972185 + ... + 48420972206.

It is an arithmetic number, because the mean of its divisors is an integer number (290525833176).

Almost surely, 2^{1065261388301} is an apocalyptic number.

1065261388301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1065261388301 is a deficient number, since it is larger than the sum of its proper divisors (96841944403).

1065261388301 is an equidigital number, since it uses as much as digits as its factorization.

1065261388301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96841944402.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 1065261388301 in words is "one trillion, sixty-five billion, two hundred sixty-one million, three hundred eighty-eight thousand, three hundred one".