61225244252216 has 32 divisors (see below), whose sum is σ = 125233893817200. Its totient is φ = 27829558775040.

The previous prime is 61225244252209. The next prime is 61225244252233.

61225244252216 is nontrivially palindromic in base 10.

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

It is a congruent number.

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, 27913706 + ... + 30027078.

Almost surely, 2^{61225244252216} is an apocalyptic number.

It is an amenable number.

61225244252216 is an abundant number, since it is smaller than the sum of its proper divisors (64008649564984).

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

61225244252216 is a wasteful number, since it uses less digits than its factorization.

61225244252216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442599 (or 2442595 counting only the distinct ones).

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

The spelling of 61225244252216 in words is "sixty-one trillion, two hundred twenty-five billion, two hundred forty-four million, two hundred fifty-two thousand, two hundred sixteen".