30557775005 has 4 divisors (see below), whose sum is σ = 36669330012. Its totient is φ = 24446220000.

The previous prime is 30557774969. The next prime is 30557775011. The reversal of 30557775005 is 50057775503.

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 3405656164 + 27152118841 = 58358^2 + 164779^2 .

It is not a de Polignac number, because 30557775005 - 2¹⁸ = 30557512861 is a prime.

It is a super-2 number, since 2×30557775005² (a number of 22 digits) contains 22 as substring.

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, 3055777496 + ... + 3055777505.

It is an arithmetic number, because the mean of its divisors is an integer number (9167332503).

Almost surely, 2^30557775005 is an apocalyptic number.

It is an amenable number.

30557775005 is a deficient number, since it is larger than the sum of its proper divisors (6111555007).

30557775005 is an equidigital number, since it uses as much as digits as its factorization.

30557775005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111555006.

The product of its (nonzero) digits is 643125, while the sum is 44.

The spelling of 30557775005 in words is "thirty billion, five hundred fifty-seven million, seven hundred seventy-five thousand, five".