1357261602065 has 8 divisors (see below), whose sum is σ = 1628743423488. Its totient is φ = 1085789614320.

The previous prime is 1357261602007. The next prime is 1357261602071. The reversal of 1357261602065 is 5602061627531.

It is a happy number.

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

It is not a de Polignac number, because 1357261602065 - 2³⁸ = 1082383695121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 2151281 + ... + 2709710.

It is an arithmetic number, because the mean of its divisors is an integer number (203592927936).

Almost surely, 2^{1357261602065} is an apocalyptic number.

It is an amenable number.

1357261602065 is a deficient number, since it is larger than the sum of its proper divisors (271481821423).

1357261602065 is an equidigital number, since it uses as much as digits as its factorization.

1357261602065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916839.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 1357261602065 in words is "one trillion, three hundred fifty-seven billion, two hundred sixty-one million, six hundred two thousand, sixty-five".