30158468555905 has 4 divisors (see below), whose sum is σ = 36190162267092. Its totient is φ = 24126774844720.

The previous prime is 30158468555903. The next prime is 30158468555983. The reversal of 30158468555905 is 50955586485103.

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 13866976897921 + 16291491657984 = 3723839^2 + 4036272^2 .

It is not a de Polignac number, because 30158468555905 - 2¹ = 30158468555903 is a prime.

It is a super-2 number, since 2×30158468555905² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30158468555903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015846855586 + ... + 3015846855595.

It is an arithmetic number, because the mean of its divisors is an integer number (9047540566773).

Almost surely, 2^{30158468555905} is an apocalyptic number.

It is an amenable number.

30158468555905 is a deficient number, since it is larger than the sum of its proper divisors (6031693711187).

30158468555905 is an equidigital number, since it uses as much as digits as its factorization.

30158468555905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031693711186.

The product of its (nonzero) digits is 129600000, while the sum is 64.

The spelling of 30158468555905 in words is "thirty trillion, one hundred fifty-eight billion, four hundred sixty-eight million, five hundred fifty-five thousand, nine hundred five".