30517699115572 has 12 divisors (see below), whose sum is σ = 53406422387136. Its totient is φ = 15258721290680.

The previous prime is 30517699115513. The next prime is 30517699115573. The reversal of 30517699115572 is 27551199671503.

It is a self number, because there is not a number n which added to its sum of digits gives 30517699115572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30517699115573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31530454 + ... + 32483917.

It is an arithmetic number, because the mean of its divisors is an integer number (4450535198928).

Almost surely, 2^{30517699115572} is an apocalyptic number.

It is an amenable number.

30517699115572 is a deficient number, since it is larger than the sum of its proper divisors (22888723271564).

30517699115572 is a wasteful number, since it uses less digits than its factorization.

30517699115572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64133558 (or 64133556 counting only the distinct ones).

The product of its (nonzero) digits is 17860500, while the sum is 61.

The spelling of 30517699115572 in words is "thirty trillion, five hundred seventeen billion, six hundred ninety-nine million, one hundred fifteen thousand, five hundred seventy-two".