13561416530 has 16 divisors (see below), whose sum is σ = 24439048920. Its totient is φ = 5418233472.

The previous prime is 13561416439. The next prime is 13561416541. The reversal of 13561416530 is 3561416531.

It can be written as a sum of positive squares in 4 ways, for example, as 11893429249 + 1667987281 = 109057^2 + 40841^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782645 + ... + 799784.

Almost surely, 2^13561416530 is an apocalyptic number.

13561416530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13561416530 is a deficient number, since it is larger than the sum of its proper divisors (10877632390).

13561416530 is a wasteful number, since it uses less digits than its factorization.

13561416530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583293.

The product of its (nonzero) digits is 32400, while the sum is 35.

Subtracting from 13561416530 its reverse (3561416531), we obtain a palindrome (9999999999).

The spelling of 13561416530 in words is "thirteen billion, five hundred sixty-one million, four hundred sixteen thousand, five hundred thirty".