1055143553616 has 60 divisors (see below), whose sum is σ = 2997010179072. Its totient is φ = 346465044288.

The previous prime is 1055143553599. The next prime is 1055143553623. The reversal of 1055143553616 is 6163553415501.

1055143553616 is a `hidden beast` number, since 1 + 0 + 5 + 51 + 43 + 553 + 6 + 1 + 6 = 666.

It is a super-2 number, since 2×1055143553616² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54672336 + ... + 54691631.

Almost surely, 2^{1055143553616} is an apocalyptic number.

1055143553616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1055143553616 is an abundant number, since it is smaller than the sum of its proper divisors (1941866625456).

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

1055143553616 is a wasteful number, since it uses less digits than its factorization.

1055143553616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109364048 (or 109364039 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 1055143553616 in words is "one trillion, fifty-five billion, one hundred forty-three million, five hundred fifty-three thousand, six hundred sixteen".