1061021077156 has 12 divisors (see below), whose sum is σ = 1857119621980. Its totient is φ = 530415470880.

The previous prime is 1061021077139. The next prime is 1061021077159. The reversal of 1061021077156 is 6517701201601.

It is a happy number.

1061021077156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 797252552100 + 263768525056 = 892890^2 + 513584^2 .

It is a super-2 number, since 2×1061021077156² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061021077159) 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, 23741811 + ... + 23786458.

Almost surely, 2^{1061021077156} is an apocalyptic number.

It is an amenable number.

1061021077156 is a deficient number, since it is larger than the sum of its proper divisors (796098544824).

1061021077156 is a wasteful number, since it uses less digits than its factorization.

1061021077156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47533854 (or 47533852 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 37.

Adding to 1061021077156 its reverse (6517701201601), we get a palindrome (7578722278757).

The spelling of 1061021077156 in words is "one trillion, sixty-one billion, twenty-one million, seventy-seven thousand, one hundred fifty-six".