30515951425868 has 12 divisors (see below), whose sum is σ = 53420236753800. Its totient is φ = 15253026639072.

The previous prime is 30515951425847. The next prime is 30515951425903. The reversal of 30515951425868 is 86852415951503.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30515951425868.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237254593 + ... + 1237279256.

It is an arithmetic number, because the mean of its divisors is an integer number (4451686396150).

Almost surely, 2^{30515951425868} is an apocalyptic number.

It is an amenable number.

30515951425868 is a deficient number, since it is larger than the sum of its proper divisors (22904285327932).

30515951425868 is a wasteful number, since it uses less digits than its factorization.

30515951425868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474536936 (or 2474536934 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 62.

The spelling of 30515951425868 in words is "thirty trillion, five hundred fifteen billion, nine hundred fifty-one million, four hundred twenty-five thousand, eight hundred sixty-eight".