30853118745 has 96 divisors (see below), whose sum is σ = 59348090880. Its totient is φ = 14764498560.

The previous prime is 30853118741. The next prime is 30853118749. The reversal of 30853118745 is 54781135803.

It is a happy number.

30853118745 is a `hidden beast` number, since 30 + 8 + 531 + 1 + 87 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (30853118741) and next prime (30853118749).

It is not a de Polignac number, because 30853118745 - 2² = 30853118741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30853118745.

It is not an unprimeable number, because it can be changed into a prime (30853118741) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1233352 + ... + 1258118.

It is an arithmetic number, because the mean of its divisors is an integer number (618209280).

Almost surely, 2^30853118745 is an apocalyptic number.

It is an amenable number.

30853118745 is a deficient number, since it is larger than the sum of its proper divisors (28494972135).

30853118745 is a wasteful number, since it uses less digits than its factorization.

30853118745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24875 (or 24872 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 30853118745 in words is "thirty billion, eight hundred fifty-three million, one hundred eighteen thousand, seven hundred forty-five".