1255910690668 has 12 divisors (see below), whose sum is σ = 2199362615632. Its totient is φ = 627521371920.

The previous prime is 1255910690659. The next prime is 1255910690677. The reversal of 1255910690668 is 8660960195521.

It is an interprime number because it is at equal distance from previous prime (1255910690659) and next prime (1255910690677).

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108486843 + ... + 108498418.

Almost surely, 2^{1255910690668} is an apocalyptic number.

It is an amenable number.

1255910690668 is a deficient number, since it is larger than the sum of its proper divisors (943451924964).

1255910690668 is a wasteful number, since it uses less digits than its factorization.

1255910690668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216986712 (or 216986710 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 1255910690668 in words is "one trillion, two hundred fifty-five billion, nine hundred ten million, six hundred ninety thousand, six hundred sixty-eight".