1061055550056 has 64 divisors (see below), whose sum is σ = 2662915694400. Its totient is φ = 352315355648.

The previous prime is 1061055550039. The next prime is 1061055550109. The reversal of 1061055550056 is 6500555501601.

It is a super-2 number, since 2×1061055550056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061055549996 and 1061055550023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79550620 + ... + 79563956.

It is an arithmetic number, because the mean of its divisors is an integer number (41608057725).

Almost surely, 2^{1061055550056} is an apocalyptic number.

It is an amenable number.

1061055550056 is an abundant number, since it is smaller than the sum of its proper divisors (1601860144344).

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

1061055550056 is a wasteful number, since it uses less digits than its factorization.

1061055550056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25938 (or 25934 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 1061055550056 in words is "one trillion, sixty-one billion, fifty-five million, five hundred fifty thousand, fifty-six".