1351104226056 has 48 divisors (see below), whose sum is σ = 3940720662060. Its totient is φ = 415724376960.

The previous prime is 1351104226049. The next prime is 1351104226057. The reversal of 1351104226056 is 6506224011531.

1351104226056 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 1 + 0 + 42 + 2 + 605 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1351057522500 + 46703556 = 1162350^2 + 6834^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1351104226056.

It is not an unprimeable number, because it can be changed into a prime (1351104226057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721742775 + ... + 721744646.

Almost surely, 2^{1351104226056} is an apocalyptic number.

It is an amenable number.

1351104226056 is an abundant number, since it is smaller than the sum of its proper divisors (2589616436004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351104226056 is a wasteful number, since it uses less digits than its factorization.

1351104226056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443487446 (or 1443487439 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 1351104226056 its reverse (6506224011531), we get a palindrome (7857328237587).

The spelling of 1351104226056 in words is "one trillion, three hundred fifty-one billion, one hundred four million, two hundred twenty-six thousand, fifty-six".