1351243411501 has 2 divisors, whose sum is σ = 1351243411502. Its totient is φ = 1351243411500.

The previous prime is 1351243411403. The next prime is 1351243411523. The reversal of 1351243411501 is 1051143421531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695347515625 + 655895895876 = 833875^2 + 809874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351243411501 - 2¹⁵ = 1351243378733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351243411201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675621705750 + 675621705751.

It is an arithmetic number, because the mean of its divisors is an integer number (675621705751).

Almost surely, 2^{1351243411501} is an apocalyptic number.

It is an amenable number.

1351243411501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351243411501 is an equidigital number, since it uses as much as digits as its factorization.

1351243411501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 1351243411501 in words is "one trillion, three hundred fifty-one billion, two hundred forty-three million, four hundred eleven thousand, five hundred one".