15436216436 has 12 divisors (see below), whose sum is σ = 28435135680. Its totient is φ = 7311891960.

The previous prime is 15436216399. The next prime is 15436216447. The reversal of 15436216436 is 63461263451.

It is a junction number, because it is equal to n+sod(n) for n = 15436216393 and 15436216402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101553980 + ... + 101554131.

It is an arithmetic number, because the mean of its divisors is an integer number (2369594640).

Almost surely, 2^15436216436 is an apocalyptic number.

It is an amenable number.

15436216436 is a deficient number, since it is larger than the sum of its proper divisors (12998919244).

15436216436 is a wasteful number, since it uses less digits than its factorization.

15436216436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203108134 (or 203108132 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

Adding to 15436216436 its reverse (63461263451), we get a palindrome (78897479887).

The spelling of 15436216436 in words is "fifteen billion, four hundred thirty-six million, two hundred sixteen thousand, four hundred thirty-six".