13356122445 has 24 divisors (see below), whose sum is σ = 23210155800. Its totient is φ = 7104944256.

The previous prime is 13356122443. The next prime is 13356122459. The reversal of 13356122445 is 54422165331.

13356122445 is a `hidden beast` number, since 1 + 3 + 35 + 612 + 2 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 117548964 + 13238573481 = 10842^2 + 115059^2 .

It is not a de Polignac number, because 13356122445 - 2¹ = 13356122443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13356122443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363990 + ... + 398999.

It is an arithmetic number, because the mean of its divisors is an integer number (967089825).

Almost surely, 2^13356122445 is an apocalyptic number.

13356122445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13356122445 is a deficient number, since it is larger than the sum of its proper divisors (9854033355).

13356122445 is a wasteful number, since it uses less digits than its factorization.

13356122445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763389 (or 763386 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 13356122445 its reverse (54422165331), we get a palindrome (67778287776).

The spelling of 13356122445 in words is "thirteen billion, three hundred fifty-six million, one hundred twenty-two thousand, four hundred forty-five".