1351161540269 has 2 divisors, whose sum is σ = 1351161540270. Its totient is φ = 1351161540268.

The previous prime is 1351161540199. The next prime is 1351161540307. The reversal of 1351161540269 is 9620451611531.

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., 1061703552100 + 289457988169 = 1030390^2 + 538013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351161540269 - 2¹² = 1351161536173 is a prime.

It is a super-2 number, since 2×1351161540269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351160540269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675580770134 + 675580770135.

It is an arithmetic number, because the mean of its divisors is an integer number (675580770135).

Almost surely, 2^{1351161540269} is an apocalyptic number.

It is an amenable number.

1351161540269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351161540269 is an equidigital number, since it uses as much as digits as its factorization.

1351161540269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 1351161540269 in words is "one trillion, three hundred fifty-one billion, one hundred sixty-one million, five hundred forty thousand, two hundred sixty-nine".