61615023230227 has 2 divisors, whose sum is σ = 61615023230228. Its totient is φ = 61615023230226.

The previous prime is 61615023230209. The next prime is 61615023230263. The reversal of 61615023230227 is 72203232051616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61615023230227 - 2⁷ = 61615023230099 is a prime.

It is a super-2 number, since 2×61615023230227² (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 61615023230227.

It is not a weakly prime, because it can be changed into another prime (61615023630227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30807511615113 + 30807511615114.

It is an arithmetic number, because the mean of its divisors is an integer number (30807511615114).

Almost surely, 2^{61615023230227} is an apocalyptic number.

61615023230227 is a deficient number, since it is larger than the sum of its proper divisors (1).

61615023230227 is an equidigital number, since it uses as much as digits as its factorization.

61615023230227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 61615023230227 in words is "sixty-one trillion, six hundred fifteen billion, twenty-three million, two hundred thirty thousand, two hundred twenty-seven".