1265002601741 has 2 divisors, whose sum is σ = 1265002601742. Its totient is φ = 1265002601740.

The previous prime is 1265002601659. The next prime is 1265002601743. The reversal of 1265002601741 is 1471062005621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1261906235716 + 3096366025 = 1123346^2 + 55645^2 .

It is a cyclic number.

It is not a de Polignac number, because 1265002601741 - 2²² = 1264998407437 is a prime.

It is a super-2 number, since 2×1265002601741² (a number of 25 digits) contains 22 as substring.

Together with 1265002601743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265002601743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632501300870 + 632501300871.

It is an arithmetic number, because the mean of its divisors is an integer number (632501300871).

Almost surely, 2^{1265002601741} is an apocalyptic number.

It is an amenable number.

1265002601741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265002601741 is an equidigital number, since it uses as much as digits as its factorization.

1265002601741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 1265002601741 in words is "one trillion, two hundred sixty-five billion, two million, six hundred one thousand, seven hundred forty-one".