61612114727 has 4 divisors (see below), whose sum is σ = 61612645080. Its totient is φ = 61611584376.

The previous prime is 61612114649. The next prime is 61612114769. The reversal of 61612114727 is 72741121616.

61612114727 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61612114727 is a prime.

It is a super-2 number, since 2×61612114727² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61612114427) 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, 7373 + ... + 351110.

It is an arithmetic number, because the mean of its divisors is an integer number (15403161270).

Almost surely, 2^61612114727 is an apocalyptic number.

61612114727 is a deficient number, since it is larger than the sum of its proper divisors (530353).

61612114727 is a wasteful number, since it uses less digits than its factorization.

61612114727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530352.

The product of its digits is 28224, while the sum is 38.

The spelling of 61612114727 in words is "sixty-one billion, six hundred twelve million, one hundred fourteen thousand, seven hundred twenty-seven".