15436116455 has 4 divisors (see below), whose sum is σ = 18523339752. Its totient is φ = 12348893160.

The previous prime is 15436116413. The next prime is 15436116457. The reversal of 15436116455 is 55461163451.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-15436116455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15436116457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543611641 + ... + 1543611650.

It is an arithmetic number, because the mean of its divisors is an integer number (4630834938).

Almost surely, 2^15436116455 is an apocalyptic number.

15436116455 is a deficient number, since it is larger than the sum of its proper divisors (3087223297).

15436116455 is an equidigital number, since it uses as much as digits as its factorization.

15436116455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087223296.

The product of its digits is 216000, while the sum is 41.

The spelling of 15436116455 in words is "fifteen billion, four hundred thirty-six million, one hundred sixteen thousand, four hundred fifty-five".