1061612055607 has 4 divisors (see below), whose sum is σ = 1067112636400. Its totient is φ = 1056111474816.

The previous prime is 1061612055563. The next prime is 1061612055629. The reversal of 1061612055607 is 7065502161601.

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

It is a cyclic number.

It is not a de Polignac number, because 1061612055607 - 2¹¹ = 1061612053559 is a prime.

It is a super-2 number, since 2×1061612055607² (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 1061612055607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061612055697) 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, 2750290107 + ... + 2750290492.

It is an arithmetic number, because the mean of its divisors is an integer number (266778159100).

Almost surely, 2^{1061612055607} is an apocalyptic number.

1061612055607 is a deficient number, since it is larger than the sum of its proper divisors (5500580793).

1061612055607 is an equidigital number, since it uses as much as digits as its factorization.

1061612055607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500580792.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 1061612055607 in words is "one trillion, sixty-one billion, six hundred twelve million, fifty-five thousand, six hundred seven".