1351357563426 has 64 divisors (see below), whose sum is σ = 3083153673600. Its totient is φ = 391175156736.

The previous prime is 1351357563403. The next prime is 1351357563499. The reversal of 1351357563426 is 6243657531531.

It is a super-2 number, since 2×1351357563426² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2883660 + ... + 3319368.

It is an arithmetic number, because the mean of its divisors is an integer number (48174276150).

Almost surely, 2^{1351357563426} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351357563426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1541576836800).

1351357563426 is an abundant number, since it is smaller than the sum of its proper divisors (1731796110174).

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

1351357563426 is a wasteful number, since it uses less digits than its factorization.

1351357563426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438083.

The product of its digits is 6804000, while the sum is 51.

The spelling of 1351357563426 in words is "one trillion, three hundred fifty-one billion, three hundred fifty-seven million, five hundred sixty-three thousand, four hundred twenty-six".