1268895068961 has 8 divisors (see below), whose sum is σ = 1822003176000. Its totient is φ = 780858503952.

The previous prime is 1268895068957. The next prime is 1268895068977. The reversal of 1268895068961 is 1698605988621.

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

It is not a de Polignac number, because 1268895068961 - 2² = 1268895068957 is a prime.

It is a super-2 number, since 2×1268895068961² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268895068921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16267885461 + ... + 16267885538.

It is an arithmetic number, because the mean of its divisors is an integer number (227750397000).

Almost surely, 2^{1268895068961} is an apocalyptic number.

It is an amenable number.

1268895068961 is a deficient number, since it is larger than the sum of its proper divisors (553108107039).

1268895068961 is a wasteful number, since it uses less digits than its factorization.

1268895068961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32535771015.

The product of its (nonzero) digits is 89579520, while the sum is 69.

The spelling of 1268895068961 in words is "one trillion, two hundred sixty-eight billion, eight hundred ninety-five million, sixty-eight thousand, nine hundred sixty-one".