1351126340497 has 2 divisors, whose sum is σ = 1351126340498. Its totient is φ = 1351126340496.

The previous prime is 1351126340453. The next prime is 1351126340579. The reversal of 1351126340497 is 7940436211531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 847815551361 + 503310789136 = 920769^2 + 709444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351126340497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351126344497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675563170248 + 675563170249.

It is an arithmetic number, because the mean of its divisors is an integer number (675563170249).

Almost surely, 2^{1351126340497} is an apocalyptic number.

It is an amenable number.

1351126340497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351126340497 is an equidigital number, since it uses as much as digits as its factorization.

1351126340497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 1351126340497 in words is "one trillion, three hundred fifty-one billion, one hundred twenty-six million, three hundred forty thousand, four hundred ninety-seven".