1260692989056 has 448 divisors, whose sum is σ = 3992447443200. Its totient is φ = 395650344960.

The previous prime is 1260692989043. The next prime is 1260692989223. The reversal of 1260692989056 is 6509892960621.

1260692989056 is a `hidden beast` number, since 12 + 606 + 9 + 2 + 9 + 8 + 9 + 0 + 5 + 6 = 666.

It is a super-2 number, since 2×1260692989056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1260692988984 and 1260692989002.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 107022975 + ... + 107034753.

Almost surely, 2^{1260692989056} is an apocalyptic number.

1260692989056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260692989056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996223721600).

1260692989056 is an abundant number, since it is smaller than the sum of its proper divisors (2731754454144).

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

1260692989056 is an equidigital number, since it uses as much as digits as its factorization.

1260692989056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11879 (or 11852 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 1260692989056 in words is "one trillion, two hundred sixty billion, six hundred ninety-two million, nine hundred eighty-nine thousand, fifty-six".