15025306530 has 32 divisors (see below), whose sum is σ = 38834639424. Its totient is φ = 3698536896.

The previous prime is 15025306523. The next prime is 15025306553. The reversal of 15025306530 is 3560352051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19262824 + ... + 19263603.

It is an arithmetic number, because the mean of its divisors is an integer number (1213582482).

Almost surely, 2^15025306530 is an apocalyptic number.

15025306530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15025306530 is an abundant number, since it is smaller than the sum of its proper divisors (23809332894).

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

15025306530 is a wasteful number, since it uses less digits than its factorization.

15025306530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38526450.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 15025306530 its reverse (3560352051), we get a palindrome (18585658581).

The spelling of 15025306530 in words is "fifteen billion, twenty-five million, three hundred six thousand, five hundred thirty".