1061219582061 has 4 divisors (see below), whose sum is σ = 1414959442752. Its totient is φ = 707479721372.

The previous prime is 1061219582023. The next prime is 1061219582131. The reversal of 1061219582061 is 1602859121601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1061219582061 - 2⁹ = 1061219581549 is a prime.

It is a super-2 number, since 2×1061219582061² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061219582261) 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, 176869930341 + ... + 176869930346.

It is an arithmetic number, because the mean of its divisors is an integer number (353739860688).

Almost surely, 2^{1061219582061} is an apocalyptic number.

It is an amenable number.

1061219582061 is a deficient number, since it is larger than the sum of its proper divisors (353739860691).

1061219582061 is an equidigital number, since it uses as much as digits as its factorization.

1061219582061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353739860690.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 1061219582061 in words is "one trillion, sixty-one billion, two hundred nineteen million, five hundred eighty-two thousand, sixty-one".