1061556413312 has 32 divisors (see below), whose sum is σ = 2115019592400. Its totient is φ = 530727966720.

The previous prime is 1061556413299. The next prime is 1061556413369. The reversal of 1061556413312 is 2133146551601.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1061556413312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983864 + ... + 1758152.

Almost surely, 2^{1061556413312} is an apocalyptic number.

It is an amenable number.

1061556413312 is a deficient number, since it is larger than the sum of its proper divisors (1053463179088).

1061556413312 is an equidigital number, since it uses as much as digits as its factorization.

1061556413312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785014 (or 785002 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 1061556413312 in words is "one trillion, sixty-one billion, five hundred fifty-six million, four hundred thirteen thousand, three hundred twelve".