61178687116 has 12 divisors (see below), whose sum is σ = 110516338240. Its totient is φ = 29602590480.

The previous prime is 61178687113. The next prime is 61178687153.

It is a happy number.

61178687116 is nontrivially palindromic in base 10.

61178687116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61178687113) 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, 246688131 + ... + 246688378.

Almost surely, 2^61178687116 is an apocalyptic number.

It is an amenable number.

61178687116 is a deficient number, since it is larger than the sum of its proper divisors (49337651124).

61178687116 is a wasteful number, since it uses less digits than its factorization.

61178687116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493376544 (or 493376542 counting only the distinct ones).

The product of its digits is 677376, while the sum is 52.

The spelling of 61178687116 in words is "sixty-one billion, one hundred seventy-eight million, six hundred eighty-seven thousand, one hundred sixteen".