1061066772245 has 64 divisors (see below), whose sum is σ = 1417931827200. Its totient is φ = 758684467200.

The previous prime is 1061066772217. The next prime is 1061066772251. The reversal of 1061066772245 is 5422776601601.

It is not a de Polignac number, because 1061066772245 - 2¹⁶ = 1061066706709 is a prime.

It is a super-2 number, since 2×1061066772245² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061066772245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32570765 + ... + 32603325.

It is an arithmetic number, because the mean of its divisors is an integer number (22155184800).

Almost surely, 2^{1061066772245} is an apocalyptic number.

It is an amenable number.

1061066772245 is a deficient number, since it is larger than the sum of its proper divisors (356865054955).

1061066772245 is a wasteful number, since it uses less digits than its factorization.

1061066772245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32846.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 1061066772245 in words is "one trillion, sixty-one billion, sixty-six million, seven hundred seventy-two thousand, two hundred forty-five".