1055611100061 has 48 divisors (see below), whose sum is σ = 1772530955520. Its totient is φ = 592859554560.

The previous prime is 1055611100041. The next prime is 1055611100087. The reversal of 1055611100061 is 1600011165501.

1055611100061 is a `hidden beast` number, since 1 + 0 + 556 + 1 + 1 + 100 + 0 + 6 + 1 = 666.

It is not a de Polignac number, because 1055611100061 - 2²² = 1055606905757 is a prime.

It is a super-2 number, since 2×1055611100061² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055611099998 and 1055611100034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055611100041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4902025 + ... + 5112833.

It is an arithmetic number, because the mean of its divisors is an integer number (36927728240).

Almost surely, 2^{1055611100061} is an apocalyptic number.

It is an amenable number.

1055611100061 is a deficient number, since it is larger than the sum of its proper divisors (716919855459).

1055611100061 is a wasteful number, since it uses less digits than its factorization.

1055611100061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212186 (or 212183 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 1055611100061 its reverse (1600011165501), we get a palindrome (2655622265562).

It can be divided in two parts, 1055 and 611100061, that added together give a palindrome (611101116).

The spelling of 1055611100061 in words is "one trillion, fifty-five billion, six hundred eleven million, one hundred thousand, sixty-one".