20150125563 has 8 divisors (see below), whose sum is σ = 26902141776. Its totient is φ = 13415763200.

The previous prime is 20150125559. The next prime is 20150125573. The reversal of 20150125563 is 36552105102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20150125563 - 2² = 20150125559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20150125563.

It is not an unprimeable number, because it can be changed into a prime (20150125543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4410798 + ... + 4415363.

It is an arithmetic number, because the mean of its divisors is an integer number (3362767722).

Almost surely, 2^20150125563 is an apocalyptic number.

20150125563 is a deficient number, since it is larger than the sum of its proper divisors (6752016213).

20150125563 is an equidigital number, since it uses as much as digits as its factorization.

20150125563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826925.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 20150125563 in words is "twenty billion, one hundred fifty million, one hundred twenty-five thousand, five hundred sixty-three".