15103454530 has 16 divisors (see below), whose sum is σ = 27188426304. Its totient is φ = 6040891120.

The previous prime is 15103454507. The next prime is 15103454537. The reversal of 15103454530 is 3545430151.

It is a super-2 number, since 2×15103454530² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15103454492 and 15103454501.

It is not an unprimeable number, because it can be changed into a prime (15103454537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84435 + ... + 193225.

It is an arithmetic number, because the mean of its divisors is an integer number (1699276644).

Almost surely, 2^15103454530 is an apocalyptic number.

15103454530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15103454530 is a deficient number, since it is larger than the sum of its proper divisors (12084971774).

15103454530 is a wasteful number, since it uses less digits than its factorization.

15103454530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122681.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 15103454530 its reverse (3545430151), we get a palindrome (18648884681).

The spelling of 15103454530 in words is "fifteen billion, one hundred three million, four hundred fifty-four thousand, five hundred thirty".