1061005055011 has 4 divisors (see below), whose sum is σ = 1157460060024. Its totient is φ = 964550050000.

The previous prime is 1061005054997. The next prime is 1061005055069. The reversal of 1061005055011 is 1105505001601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1061005055011 - 2⁷ = 1061005054883 is a prime.

It is a super-2 number, since 2×1061005055011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061005055111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48227502490 + ... + 48227502511.

It is an arithmetic number, because the mean of its divisors is an integer number (289365015006).

Almost surely, 2^{1061005055011} is an apocalyptic number.

1061005055011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1061005055011 is a deficient number, since it is larger than the sum of its proper divisors (96455005013).

1061005055011 is an equidigital number, since it uses as much as digits as its factorization.

1061005055011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96455005012.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 1061005055011 in words is "one trillion, sixty-one billion, five million, fifty-five thousand, eleven".