61128161127 has 24 divisors (see below), whose sum is σ = 97483696128. Its totient is φ = 36601011600.

The previous prime is 61128161123. The next prime is 61128161137. The reversal of 61128161127 is 72116182116.

61128161127 is a `hidden beast` number, since 6 + 1 + 12 + 8 + 1 + 611 + 27 = 666.

It is not a de Polignac number, because 61128161127 - 2² = 61128161123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61128161091 and 61128161100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61128161123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3711399 + ... + 3727832.

It is an arithmetic number, because the mean of its divisors is an integer number (4061820672).

Almost surely, 2^61128161127 is an apocalyptic number.

61128161127 is a deficient number, since it is larger than the sum of its proper divisors (36355535001).

61128161127 is a wasteful number, since it uses less digits than its factorization.

61128161127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439331 (or 7439328 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The spelling of 61128161127 in words is "sixty-one billion, one hundred twenty-eight million, one hundred sixty-one thousand, one hundred twenty-seven".