30001125660 has 96 divisors (see below), whose sum is σ = 91678148352. Its totient is φ = 7269957120.

The previous prime is 30001125643. The next prime is 30001125677. The reversal of 30001125660 is 6652110003.

It is an interprime number because it is at equal distance from previous prime (30001125643) and next prime (30001125677).

It is a super-2 number, since 2×30001125660² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30001125660.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1841872 + ... + 1858088.

It is an arithmetic number, because the mean of its divisors is an integer number (954980712).

Almost surely, 2^30001125660 is an apocalyptic number.

30001125660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30001125660 is an abundant number, since it is smaller than the sum of its proper divisors (61677022692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30001125660 is a wasteful number, since it uses less digits than its factorization.

30001125660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043 (or 19041 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 30001125660 its reverse (6652110003), we get a palindrome (36653235663).

The spelling of 30001125660 in words is "thirty billion, one million, one hundred twenty-five thousand, six hundred sixty".