61327511135066 has 16 divisors (see below), whose sum is σ = 100363526245440. Its totient is φ = 27873525559680.

The previous prime is 61327511135029. The next prime is 61327511135083. The reversal of 61327511135066 is 66053111572316.

61327511135066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61327511135066² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61327511135066.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 130553486 + ... + 131022393.

It is an arithmetic number, because the mean of its divisors is an integer number (6272720390340).

Almost surely, 2^{61327511135066} is an apocalyptic number.

61327511135066 is a deficient number, since it is larger than the sum of its proper divisors (39036015110374).

61327511135066 is a wasteful number, since it uses less digits than its factorization.

61327511135066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261586549.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 61327511135066 in words is "sixty-one trillion, three hundred twenty-seven billion, five hundred eleven million, one hundred thirty-five thousand, sixty-six".