1268103512574 has 32 divisors (see below), whose sum is σ = 2818579191840. Its totient is φ = 422615462976.

The previous prime is 1268103512537. The next prime is 1268103512581. The reversal of 1268103512574 is 4752153018621.

1268103512574 is a `hidden beast` number, since 1 + 2 + 6 + 81 + 0 + 3 + 512 + 57 + 4 = 666.

It is a super-2 number, since 2×1268103512574² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2111709 + ... + 2644904.

It is an arithmetic number, because the mean of its divisors is an integer number (88080599745).

Almost surely, 2^{1268103512574} is an apocalyptic number.

1268103512574 is an abundant number, since it is smaller than the sum of its proper divisors (1550475679266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268103512574 is a wasteful number, since it uses less digits than its factorization.

1268103512574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761561 (or 4761555 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 1268103512574 in words is "one trillion, two hundred sixty-eight billion, one hundred three million, five hundred twelve thousand, five hundred seventy-four".