30154420555 has 16 divisors (see below), whose sum is σ = 41780975040. Its totient is φ = 20464146432.

The previous prime is 30154420537. The next prime is 30154420559. The reversal of 30154420555 is 55502445103.

It is a cyclic number.

It is not a de Polignac number, because 30154420555 - 2¹⁵ = 30154387787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30154420555.

It is not an unprimeable number, because it can be changed into a prime (30154420559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4437610 + ... + 4444399.

It is an arithmetic number, because the mean of its divisors is an integer number (2611310940).

Almost surely, 2^30154420555 is an apocalyptic number.

30154420555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30154420555 is a deficient number, since it is larger than the sum of its proper divisors (11626554485).

30154420555 is an equidigital number, since it uses as much as digits as its factorization.

30154420555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882118.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 30154420555 its reverse (55502445103), we get a palindrome (85656865658).

The spelling of 30154420555 in words is "thirty billion, one hundred fifty-four million, four hundred twenty thousand, five hundred fifty-five".