61412444662552 has 32 divisors (see below), whose sum is σ = 128338700151600. Its totient is φ = 27378922696704.

The previous prime is 61412444662537. The next prime is 61412444662781. The reversal of 61412444662552 is 25526644421416.

It is a happy number.

It is a super-3 number, since 3×61412444662552³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61412444662552.

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, 11883210393 + ... + 11883215560.

Almost surely, 2^{61412444662552} is an apocalyptic number.

It is an amenable number.

61412444662552 is an abundant number, since it is smaller than the sum of its proper divisors (66926255489048).

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

61412444662552 is a wasteful number, since it uses less digits than its factorization.

61412444662552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23766425995 (or 23766425991 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 52.

The spelling of 61412444662552 in words is "sixty-one trillion, four hundred twelve billion, four hundred forty-four million, six hundred sixty-two thousand, five hundred fifty-two".