61224522542216 has 32 divisors (see below), whose sum is σ = 129271719156480. Its totient is φ = 26931608155200.

The previous prime is 61224522542191. The next prime is 61224522542251.

61224522542216 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11221500671 + ... + 11221506126.

It is an arithmetic number, because the mean of its divisors is an integer number (4039741223640).

Almost surely, 2^{61224522542216} is an apocalyptic number.

It is an amenable number.

61224522542216 is an abundant number, since it is smaller than the sum of its proper divisors (68047196614264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61224522542216 is a wasteful number, since it uses less digits than its factorization.

61224522542216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22443006845 (or 22443006841 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

It can be divided in two parts, 6122452 and 2542216, that added together give a palindrome (8664668).

The spelling of 61224522542216 in words is "sixty-one trillion, two hundred twenty-four billion, five hundred twenty-two million, five hundred forty-two thousand, two hundred sixteen".