30912138183775 has 12 divisors (see below), whose sum is σ = 38552618124072. Its totient is φ = 24586764239840.

The previous prime is 30912138183763. The next prime is 30912138183889. The reversal of 30912138183775 is 57738183121903.

It is not a de Polignac number, because 30912138183775 - 2²³ = 30912129795167 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 3573653269 + ... + 3573661918.

It is an arithmetic number, because the mean of its divisors is an integer number (3212718177006).

Almost surely, 2^{30912138183775} is an apocalyptic number.

30912138183775 is a deficient number, since it is larger than the sum of its proper divisors (7640479940297).

30912138183775 is a wasteful number, since it uses less digits than its factorization.

30912138183775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147315370 (or 7147315365 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 30912138183775 in words is "thirty trillion, nine hundred twelve billion, one hundred thirty-eight million, one hundred eighty-three thousand, seven hundred seventy-five".