30135154856 has 32 divisors (see below), whose sum is σ = 59851305000. Its totient is φ = 14175522816.

The previous prime is 30135154837. The next prime is 30135154891. The reversal of 30135154856 is 65845153103.

It can be written as a sum of positive squares in 4 ways, for example, as 29670062500 + 465092356 = 172250^2 + 21566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303200 + ... + 390128.

Almost surely, 2^30135154856 is an apocalyptic number.

It is an amenable number.

30135154856 is a deficient number, since it is larger than the sum of its proper divisors (29716150144).

30135154856 is a wasteful number, since it uses less digits than its factorization.

30135154856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89501 (or 89497 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 30135154856 in words is "thirty billion, one hundred thirty-five million, one hundred fifty-four thousand, eight hundred fifty-six".