1196515256640 has 336 divisors, whose sum is σ = 4194177454656. Its totient is φ = 288780124160.

The previous prime is 1196515256639. The next prime is 1196515256653. The reversal of 1196515256640 is 466525156911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26345632 + ... + 26391008.

It is an arithmetic number, because the mean of its divisors is an integer number (12482670996).

Almost surely, 2^{1196515256640} is an apocalyptic number.

1196515256640 is a gapful number since it is divisible by the number (10) 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 1196515256640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097088727328).

1196515256640 is an abundant number, since it is smaller than the sum of its proper divisors (2997662198016).

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

1196515256640 is a wasteful number, since it uses less digits than its factorization.

1196515256640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45646 (or 45625 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 1196515256640 in words is "one trillion, one hundred ninety-six billion, five hundred fifteen million, two hundred fifty-six thousand, six hundred forty".