1061111050051 has 8 divisors (see below), whose sum is σ = 1142748213824. Its totient is φ = 979475777280.

The previous prime is 1061111050039. The next prime is 1061111050067. The reversal of 1061111050051 is 1500501111601.

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

It is not a de Polignac number, because 1061111050051 - 2²⁵ = 1061077495619 is a prime.

It is a super-2 number, since 2×1061111050051² (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 (1061111057051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824566 + ... + 1673956.

It is an arithmetic number, because the mean of its divisors is an integer number (142843526728).

Almost surely, 2^{1061111050051} is an apocalyptic number.

1061111050051 is a deficient number, since it is larger than the sum of its proper divisors (81637163773).

1061111050051 is an equidigital number, since it uses as much as digits as its factorization.

1061111050051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945501.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 1061111050051 its reverse (1500501111601), we get a palindrome (2561612161652).

The spelling of 1061111050051 in words is "one trillion, sixty-one billion, one hundred eleven million, fifty thousand, fifty-one".