30801655001605 has 4 divisors (see below), whose sum is σ = 36961986001932. Its totient is φ = 24641324001280.

The previous prime is 30801655001587. The next prime is 30801655001633. The reversal of 30801655001605 is 50610055610803.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8650380969409 + 22151274032196 = 2941153^2 + 4706514^2 .

It is not a de Polignac number, because 30801655001605 - 2³⁷ = 30664216048133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080165500156 + ... + 3080165500165.

It is an arithmetic number, because the mean of its divisors is an integer number (9240496500483).

Almost surely, 2^{30801655001605} is an apocalyptic number.

It is an amenable number.

30801655001605 is a deficient number, since it is larger than the sum of its proper divisors (6160331000327).

30801655001605 is an equidigital number, since it uses as much as digits as its factorization.

30801655001605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160331000326.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 30801655001605 in words is "thirty trillion, eight hundred one billion, six hundred fifty-five million, one thousand, six hundred five".