61433112554213 has 12 divisors (see below), whose sum is σ = 65260436067012. Its totient is φ = 57818478896640.

The previous prime is 61433112554207. The next prime is 61433112554257. The reversal of 61433112554213 is 31245521133416.

It can be written as a sum of positive squares in 6 ways, for example, as 316476003844 + 61116636550369 = 562562^2 + 7817713^2 .

It is not a de Polignac number, because 61433112554213 - 2⁴ = 61433112554197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61433112554263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16828043 + ... + 20150663.

It is an arithmetic number, because the mean of its divisors is an integer number (5438369672251).

Almost surely, 2^{61433112554213} is an apocalyptic number.

It is an amenable number.

61433112554213 is a deficient number, since it is larger than the sum of its proper divisors (3827323512799).

61433112554213 is a wasteful number, since it uses less digits than its factorization.

61433112554213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386632 (or 3386615 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

Adding to 61433112554213 its reverse (31245521133416), we get a palindrome (92678633687629).

The spelling of 61433112554213 in words is "sixty-one trillion, four hundred thirty-three billion, one hundred twelve million, five hundred fifty-four thousand, two hundred thirteen".