15455784453 has 16 divisors (see below), whose sum is σ = 20771721600. Its totient is φ = 10222023744.

The previous prime is 15455784451. The next prime is 15455784497. The reversal of 15455784453 is 35448755451.

It is not a de Polignac number, because 15455784453 - 2¹ = 15455784451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15455784396 and 15455784405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15455784451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346875 + ... + 388887.

It is an arithmetic number, because the mean of its divisors is an integer number (1298232600).

Almost surely, 2^15455784453 is an apocalyptic number.

It is an amenable number.

15455784453 is a deficient number, since it is larger than the sum of its proper divisors (5315937147).

15455784453 is a wasteful number, since it uses less digits than its factorization.

15455784453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42988.

The product of its digits is 6720000, while the sum is 51.

The spelling of 15455784453 in words is "fifteen billion, four hundred fifty-five million, seven hundred eighty-four thousand, four hundred fifty-three".