30105481975 has 24 divisors (see below), whose sum is σ = 38408501520. Its totient is φ = 23391429120.

The previous prime is 30105481897. The next prime is 30105482041. The reversal of 30105481975 is 57918450103.

It is not a de Polignac number, because 30105481975 - 2¹⁵ = 30105449207 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 491871 + ... + 549679.

It is an arithmetic number, because the mean of its divisors is an integer number (1600354230).

Almost surely, 2^30105481975 is an apocalyptic number.

30105481975 is a deficient number, since it is larger than the sum of its proper divisors (8303019545).

30105481975 is a wasteful number, since it uses less digits than its factorization.

30105481975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58419 (or 58414 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 30105481975 in words is "thirty billion, one hundred five million, four hundred eighty-one thousand, nine hundred seventy-five".