15021400530 has 32 divisors (see below), whose sum is σ = 36545220864. Its totient is φ = 3950833536.

The previous prime is 15021400529. The next prime is 15021400553. The reversal of 15021400530 is 3500412051.

15021400530 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15021400497 and 15021400506.

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 15 ways as a sum of consecutive naturals, for example, 3427354 + ... + 3431733.

It is an arithmetic number, because the mean of its divisors is an integer number (1142038152).

Almost surely, 2^15021400530 is an apocalyptic number.

15021400530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15021400530 is an abundant number, since it is smaller than the sum of its proper divisors (21523820334).

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

15021400530 is a wasteful number, since it uses less digits than its factorization.

15021400530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859170.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 15021400530 its reverse (3500412051), we get a palindrome (18521812581).

The spelling of 15021400530 in words is "fifteen billion, twenty-one million, four hundred thousand, five hundred thirty".