1265040422313 has 8 divisors (see below), whose sum is σ = 1785939419808. Its totient is φ = 793750853184.

The previous prime is 1265040422309. The next prime is 1265040422323. The reversal of 1265040422313 is 3132240405621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1265040422313 - 2² = 1265040422309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1265040422323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12402357031 + ... + 12402357132.

It is an arithmetic number, because the mean of its divisors is an integer number (223242427476).

Almost surely, 2^{1265040422313} is an apocalyptic number.

It is an amenable number.

1265040422313 is a deficient number, since it is larger than the sum of its proper divisors (520898997495).

1265040422313 is a wasteful number, since it uses less digits than its factorization.

1265040422313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24804714183.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1265040422313 its reverse (3132240405621), we get a palindrome (4397280827934).

The spelling of 1265040422313 in words is "one trillion, two hundred sixty-five billion, forty million, four hundred twenty-two thousand, three hundred thirteen".