1061055060555 has 64 divisors (see below), whose sum is σ = 1982919085056. Its totient is φ = 474465600000.

The previous prime is 1061055060551. The next prime is 1061055060623. The reversal of 1061055060555 is 5550605501601.

It is not a de Polignac number, because 1061055060555 - 2² = 1061055060551 is a prime.

It is a super-2 number, since 2×1061055060555² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061055060551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 701680 + ... + 1616930.

It is an arithmetic number, because the mean of its divisors is an integer number (30983110704).

Almost surely, 2^{1061055060555} is an apocalyptic number.

1061055060555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1061055060555 is a deficient number, since it is larger than the sum of its proper divisors (921864024501).

1061055060555 is a wasteful number, since it uses less digits than its factorization.

1061055060555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915508.

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

The spelling of 1061055060555 in words is "one trillion, sixty-one billion, fifty-five million, sixty thousand, five hundred fifty-five".