1060011561 has 12 divisors (see below), whose sum is σ = 1644099792. Its totient is φ = 605720808.

The previous prime is 1060011527. The next prime is 1060011569. The reversal of 1060011561 is 1651100601.

It is not a de Polignac number, because 1060011561 - 2⁹ = 1060011049 is a prime.

It is a super-2 number, since 2×1060011561² = 2247249018907313442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1060011569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3605335 + ... + 3605628.

It is an arithmetic number, because the mean of its divisors is an integer number (137008316).

Almost surely, 2^1060011561 is an apocalyptic number.

It is an amenable number.

1060011561 is a deficient number, since it is larger than the sum of its proper divisors (584088231).

1060011561 is an equidigital number, since it uses as much as digits as its factorization.

1060011561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210980 (or 7210973 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1060011561 is about 32557.8187383615. The cubic root of 1060011561 is about 1019.6165292464.

The spelling of 1060011561 in words is "one billion, sixty million, eleven thousand, five hundred sixty-one".