61060099994 has 4 divisors (see below), whose sum is σ = 91590149994. Its totient is φ = 30530049996.

The previous prime is 61060099993. The next prime is 61060100009. The reversal of 61060099994 is 49999006016.

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

It can be written as a sum of positive squares in only one way, i.e., 49812436969 + 11247663025 = 223187^2 + 106055^2 .

It is a super-2 number, since 2×61060099994² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61060099993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15265024997 + ... + 15265025000.

Almost surely, 2^61060099994 is an apocalyptic number.

61060099994 is a deficient number, since it is larger than the sum of its proper divisors (30530050000).

61060099994 is a wasteful number, since it uses less digits than its factorization.

61060099994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530049999.

The product of its (nonzero) digits is 944784, while the sum is 53.

The spelling of 61060099994 in words is "sixty-one billion, sixty million, ninety-nine thousand, nine hundred ninety-four".