30681040867125 has 64 divisors (see below), whose sum is σ = 55697795112960. Its totient is φ = 14874764520000.

The previous prime is 30681040867109. The next prime is 30681040867181. The reversal of 30681040867125 is 52176804018603.

It is not a de Polignac number, because 30681040867125 - 2⁴ = 30681040867109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71391640 + ... + 71820110.

It is an arithmetic number, because the mean of its divisors is an integer number (870278048640).

Almost surely, 2^{30681040867125} is an apocalyptic number.

It is an amenable number.

30681040867125 is a deficient number, since it is larger than the sum of its proper divisors (25016754245835).

30681040867125 is a wasteful number, since it uses less digits than its factorization.

30681040867125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445859 (or 445849 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 30681040867125 in words is "thirty trillion, six hundred eighty-one billion, forty million, eight hundred sixty-seven thousand, one hundred twenty-five".