1351612465326 has 120 divisors (see below), whose sum is σ = 3208204193040. Its totient is φ = 424511575488.

The previous prime is 1351612465309. The next prime is 1351612465373. The reversal of 1351612465326 is 6235642161531.

It is a happy number.

1351612465326 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 612 + 4 + 6 + 5 + 3 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 16685610 + ... + 16766418.

It is an arithmetic number, because the mean of its divisors is an integer number (26735034942).

Almost surely, 2^{1351612465326} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351612465326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604102096520).

1351612465326 is an abundant number, since it is smaller than the sum of its proper divisors (1856591727714).

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

1351612465326 is an equidigital number, since it uses as much as digits as its factorization.

1351612465326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80980 (or 80904 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 1351612465326 in words is "one trillion, three hundred fifty-one billion, six hundred twelve million, four hundred sixty-five thousand, three hundred twenty-six".