1061060605511 has 4 divisors (see below), whose sum is σ = 1073844468312. Its totient is φ = 1048276742712.

The previous prime is 1061060605453. The next prime is 1061060605543. The reversal of 1061060605511 is 1155060601601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061060605511 is a prime.

It is a super-2 number, since 2×1061060605511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061060601511) 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, 6391931276 + ... + 6391931441.

It is an arithmetic number, because the mean of its divisors is an integer number (268461117078).

Almost surely, 2^{1061060605511} is an apocalyptic number.

1061060605511 is a deficient number, since it is larger than the sum of its proper divisors (12783862801).

1061060605511 is an equidigital number, since it uses as much as digits as its factorization.

1061060605511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783862800.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 1061060605511 in words is "one trillion, sixty-one billion, sixty million, six hundred five thousand, five hundred eleven".