1061055011 has 8 divisors (see below), whose sum is σ = 1095665664. Its totient is φ = 1026468360.

The previous prime is 1061054993. The next prime is 1061055029. The reversal of 1061055011 is 1105501601.

It is an interprime number because it is at equal distance from previous prime (1061054993) and next prime (1061055029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061055011 is a prime.

It is a super-2 number, since 2×1061055011² = 2251675472736420242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061055811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142790 + ... + 150036.

It is an arithmetic number, because the mean of its divisors is an integer number (136958208).

Almost surely, 2^1061055011 is an apocalyptic number.

1061055011 is a deficient number, since it is larger than the sum of its proper divisors (34610653).

1061055011 is an equidigital number, since it uses as much as digits as its factorization.

1061055011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12001.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1061055011 is about 32573.8393653558. The cubic root of 1061055011 is about 1019.9509815608.

Adding to 1061055011 its reverse (1105501601), we get a palindrome (2166556612).

The spelling of 1061055011 in words is "one billion, sixty-one million, fifty-five thousand, eleven".