61234122143216 has 40 divisors (see below), whose sum is σ = 129427173724464. Its totient is φ = 27833582965760.

The previous prime is 61234122143191. The next prime is 61234122143269.

61234122143216 is nontrivially palindromic in base 10.

61234122143216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61234122143216.

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, 59490410 + ... + 60510966.

Almost surely, 2^{61234122143216} is an apocalyptic number.

It is an amenable number.

61234122143216 is an abundant number, since it is smaller than the sum of its proper divisors (68193051581248).

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

61234122143216 is a wasteful number, since it uses less digits than its factorization.

61234122143216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361489 (or 1361483 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

It can be divided in two parts, 6123412 and 2143216, that added together give a palindrome (8266628).

The spelling of 61234122143216 in words is "sixty-one trillion, two hundred thirty-four billion, one hundred twenty-two million, one hundred forty-three thousand, two hundred sixteen".