1268925610986 has 48 divisors (see below), whose sum is σ = 3072431875968. Its totient is φ = 375144302400.

The previous prime is 1268925610961. The next prime is 1268925610993. The reversal of 1268925610986 is 6890165298621.

1268925610986 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 9 + 2 + 5 + 610 + 9 + 8 + 6 = 666.

It is a super-2 number, since 2×1268925610986² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78146946 + ... + 78163181.

It is an arithmetic number, because the mean of its divisors is an integer number (64008997416).

Almost surely, 2^{1268925610986} is an apocalyptic number.

1268925610986 is an abundant number, since it is smaller than the sum of its proper divisors (1803506264982).

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

1268925610986 is a wasteful number, since it uses less digits than its factorization.

1268925610986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156310187 (or 156310184 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 1268925610986 in words is "one trillion, two hundred sixty-eight billion, nine hundred twenty-five million, six hundred ten thousand, nine hundred eighty-six".