61423918611 has 96 divisors (see below), whose sum is σ = 102896801280. Its totient is φ = 32355671040.

The previous prime is 61423918583. The next prime is 61423918649. The reversal of 61423918611 is 11681932416.

61423918611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61423918611 - 2⁷ = 61423918483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61423918211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4108596 + ... + 4123518.

It is an arithmetic number, because the mean of its divisors is an integer number (1071841680).

Almost surely, 2^61423918611 is an apocalyptic number.

61423918611 is a deficient number, since it is larger than the sum of its proper divisors (41472882669).

61423918611 is a wasteful number, since it uses less digits than its factorization.

61423918611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15017 (or 15006 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The spelling of 61423918611 in words is "sixty-one billion, four hundred twenty-three million, nine hundred eighteen thousand, six hundred eleven".