61154666645116 has 24 divisors (see below), whose sum is σ = 116750022557616. Its totient is φ = 27797527077120.

The previous prime is 61154666645113. The next prime is 61154666645119.

It is a happy number.

61154666645116 is nontrivially palindromic in base 10.

61154666645116 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61154666645113) and next prime (61154666645119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61154666645113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39531750 + ... + 41049586.

It is an arithmetic number, because the mean of its divisors is an integer number (4864584273234).

Almost surely, 2^{61154666645116} is an apocalyptic number.

It is an amenable number.

61154666645116 is a deficient number, since it is larger than the sum of its proper divisors (55595355912500).

61154666645116 is a wasteful number, since it uses less digits than its factorization.

61154666645116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433549 (or 2433547 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 61154666645116 in words is "sixty-one trillion, one hundred fifty-four billion, six hundred sixty-six million, six hundred forty-five thousand, one hundred sixteen".