13156330455 has 48 divisors (see below), whose sum is σ = 24060647520. Its totient is φ = 6631870464.

The previous prime is 13156330373. The next prime is 13156330477. The reversal of 13156330455 is 55403365131.

13156330455 is a `hidden beast` number, since 1 + 3 + 15 + 633 + 0 + 4 + 5 + 5 = 666.

It is not a de Polignac number, because 13156330455 - 2⁹ = 13156329943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 352447 + ... + 387983.

It is an arithmetic number, because the mean of its divisors is an integer number (501263490).

Almost surely, 2^13156330455 is an apocalyptic number.

13156330455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13156330455 is a deficient number, since it is larger than the sum of its proper divisors (10904317065).

13156330455 is a wasteful number, since it uses less digits than its factorization.

13156330455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36000 (or 35997 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 13156330455 its reverse (55403365131), we get a palindrome (68559695586).

The spelling of 13156330455 in words is "thirteen billion, one hundred fifty-six million, three hundred thirty thousand, four hundred fifty-five".