1264041322351 has 32 divisors (see below), whose sum is σ = 1369280360448. Its totient is φ = 1162512483840.

The previous prime is 1264041322321. The next prime is 1264041322367. The reversal of 1264041322351 is 1532231404621.

It is a cyclic number.

It is not a de Polignac number, because 1264041322351 - 2⁵ = 1264041322319 is a prime.

It is a super-2 number, since 2×1264041322351² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264041322321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116313820 + ... + 116324686.

It is an arithmetic number, because the mean of its divisors is an integer number (42790011264).

Almost surely, 2^{1264041322351} is an apocalyptic number.

1264041322351 is a deficient number, since it is larger than the sum of its proper divisors (105239038097).

1264041322351 is a wasteful number, since it uses less digits than its factorization.

1264041322351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11671.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 1264041322351 its reverse (1532231404621), we get a palindrome (2796272726972).

The spelling of 1264041322351 in words is "one trillion, two hundred sixty-four billion, forty-one million, three hundred twenty-two thousand, three hundred fifty-one".