1079528399665 has 8 divisors (see below), whose sum is σ = 1295458179048. Its totient is φ = 863606653440.

The previous prime is 1079528399657. The next prime is 1079528399689. The reversal of 1079528399665 is 5669938259701.

1079528399665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27506885904 + 1052021513761 = 165852^2 + 1025681^2 .

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

It is not a de Polignac number, because 1079528399665 - 2³ = 1079528399657 is a prime.

It is a super-2 number, since 2×1079528399665² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1079528399594 and 1079528399603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708576 + ... + 2253505.

It is an arithmetic number, because the mean of its divisors is an integer number (161932272381).

Almost surely, 2^{1079528399665} is an apocalyptic number.

It is an amenable number.

1079528399665 is a deficient number, since it is larger than the sum of its proper divisors (215929779383).

1079528399665 is an equidigital number, since it uses as much as digits as its factorization.

1079528399665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016579.

The product of its (nonzero) digits is 220449600, while the sum is 70.

The spelling of 1079528399665 in words is "one trillion, seventy-nine billion, five hundred twenty-eight million, three hundred ninety-nine thousand, six hundred sixty-five".