1061980517629 has 4 divisors (see below), whose sum is σ = 1077830973184. Its totient is φ = 1046130062076.

The previous prime is 1061980517617. The next prime is 1061980517659. The reversal of 1061980517629 is 9267150891601.

It is a happy number.

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 1061980517629 - 2¹⁵ = 1061980484861 is a prime.

It is a super-2 number, since 2×1061980517629² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1061980517629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061980517659) 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, 7925227677 + ... + 7925227810.

It is an arithmetic number, because the mean of its divisors is an integer number (269457743296).

Almost surely, 2^{1061980517629} is an apocalyptic number.

It is an amenable number.

1061980517629 is a deficient number, since it is larger than the sum of its proper divisors (15850455555).

1061980517629 is an equidigital number, since it uses as much as digits as its factorization.

1061980517629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15850455554.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 1061980517629 in words is "one trillion, sixty-one billion, nine hundred eighty million, five hundred seventeen thousand, six hundred twenty-nine".