1355997984008 has 16 divisors (see below), whose sum is σ = 2550777971280. Its totient is φ = 675790525008.

The previous prime is 1355997983929. The next prime is 1355997984037. The reversal of 1355997984008 is 8004897995531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276055766 + ... + 276060677.

It is an arithmetic number, because the mean of its divisors is an integer number (159423623205).

Almost surely, 2^{1355997984008} is an apocalyptic number.

It is an amenable number.

1355997984008 is a deficient number, since it is larger than the sum of its proper divisors (1194779987272).

1355997984008 is a wasteful number, since it uses less digits than its factorization.

1355997984008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552116756 (or 552116752 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 68.

The spelling of 1355997984008 in words is "one trillion, three hundred fifty-five billion, nine hundred ninety-seven million, nine hundred eighty-four thousand, eight".