1061110556001 has 12 divisors (see below), whose sum is σ = 1589482479312. Its totient is φ = 707407037172.

The previous prime is 1061110555987. The next prime is 1061110556003. The reversal of 1061110556001 is 1006550111601.

1061110556001 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 1 + 1 + 0 + 55 + 600 + 1 = 666.

It is not a de Polignac number, because 1061110556001 - 2¹¹ = 1061110553953 is a prime.

It is a super-2 number, since 2×1061110556001² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1061110556003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2183354811 + ... + 2183355296.

It is an arithmetic number, because the mean of its divisors is an integer number (132456873276).

Almost surely, 2^{1061110556001} is an apocalyptic number.

It is an amenable number.

1061110556001 is a deficient number, since it is larger than the sum of its proper divisors (528371923311).

1061110556001 is an frugal number, since it uses more digits than its factorization.

1061110556001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366710122 (or 4366710110 counting only the distinct ones).

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

Adding to 1061110556001 its reverse (1006550111601), we get a palindrome (2067660667602).

The spelling of 1061110556001 in words is "one trillion, sixty-one billion, one hundred ten million, five hundred fifty-six thousand, one".