1256896030660 has 24 divisors (see below), whose sum is σ = 2643486975360. Its totient is φ = 501995495904.

The previous prime is 1256896030609. The next prime is 1256896030681. The reversal of 1256896030660 is 660306986521.

It is a junction number, because it is equal to n+sod(n) for n = 1256896030598 and 1256896030607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47668764 + ... + 47695123.

It is an arithmetic number, because the mean of its divisors is an integer number (110145290640).

Almost surely, 2^{1256896030660} is an apocalyptic number.

1256896030660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1256896030660 is an abundant number, since it is smaller than the sum of its proper divisors (1386590944700).

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

1256896030660 is a wasteful number, since it uses less digits than its factorization.

1256896030660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95364555 (or 95364553 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 1256896030660 in words is "one trillion, two hundred fifty-six billion, eight hundred ninety-six million, thirty thousand, six hundred sixty".