15240103530 has 64 divisors (see below), whose sum is σ = 37618051968. Its totient is φ = 3948583680.

The previous prime is 15240103469. The next prime is 15240103561. The reversal of 15240103530 is 3530104251.

It is a self number, because there is not a number n which added to its sum of digits gives 15240103530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804265 + ... + 822995.

It is an arithmetic number, because the mean of its divisors is an integer number (587782062).

Almost surely, 2^15240103530 is an apocalyptic number.

15240103530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15240103530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18809025984).

15240103530 is an abundant number, since it is smaller than the sum of its proper divisors (22377948438).

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

15240103530 is a wasteful number, since it uses less digits than its factorization.

15240103530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19511.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 15240103530 its reverse (3530104251), we get a palindrome (18770207781).

The spelling of 15240103530 in words is "fifteen billion, two hundred forty million, one hundred three thousand, five hundred thirty".