61056060677 has 4 divisors (see below), whose sum is σ = 64647593676. Its totient is φ = 57464527680.

The previous prime is 61056060661. The next prime is 61056060697. The reversal of 61056060677 is 77606065016.

61056060677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23933946436 + 37122114241 = 154706^2 + 192671^2 .

It is a cyclic number.

It is not a de Polignac number, because 61056060677 - 2⁴ = 61056060661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61056060697) 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, 1795766474 + ... + 1795766507.

It is an arithmetic number, because the mean of its divisors is an integer number (16161898419).

Almost surely, 2^61056060677 is an apocalyptic number.

It is an amenable number.

61056060677 is a deficient number, since it is larger than the sum of its proper divisors (3591532999).

61056060677 is a wasteful number, since it uses less digits than its factorization.

61056060677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591532998.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 61056060677 in words is "sixty-one billion, fifty-six million, sixty thousand, six hundred seventy-seven".