61548151927 has 2 divisors, whose sum is σ = 61548151928. Its totient is φ = 61548151926.

The previous prime is 61548151901. The next prime is 61548151939. The reversal of 61548151927 is 72915184516.

61548151927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61548151927 - 2²⁷ = 61413934199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61548151127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30774075963 + 30774075964.

It is an arithmetic number, because the mean of its divisors is an integer number (30774075964).

Almost surely, 2^61548151927 is an apocalyptic number.

61548151927 is a deficient number, since it is larger than the sum of its proper divisors (1).

61548151927 is an equidigital number, since it uses as much as digits as its factorization.

61548151927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 49.

The spelling of 61548151927 in words is "sixty-one billion, five hundred forty-eight million, one hundred fifty-one thousand, nine hundred twenty-seven".