1268886925957 has 8 divisors (see below), whose sum is σ = 1450163630016. Its totient is φ = 1087612007712.

The previous prime is 1268886925949. The next prime is 1268886925973. The reversal of 1268886925957 is 7595296888621.

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

It is a cyclic number.

It is not a de Polignac number, because 1268886925957 - 2³ = 1268886925949 is a prime.

It is a super-2 number, since 2×1268886925957² (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 (1268886925927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894353 + ... + 2475145.

It is an arithmetic number, because the mean of its divisors is an integer number (181270453752).

Almost surely, 2^{1268886925957} is an apocalyptic number.

It is an amenable number.

1268886925957 is a deficient number, since it is larger than the sum of its proper divisors (181276704059).

1268886925957 is an equidigital number, since it uses as much as digits as its factorization.

1268886925957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892907.

The product of its digits is 1045094400, while the sum is 76.

The spelling of 1268886925957 in words is "one trillion, two hundred sixty-eight billion, eight hundred eighty-six million, nine hundred twenty-five thousand, nine hundred fifty-seven".