61426435206352 has 20 divisors (see below), whose sum is σ = 122230305192196. Its totient is φ = 29883130640640.

The previous prime is 61426435206343. The next prime is 61426435206377. The reversal of 61426435206352 is 25360253462416.

It can be written as a sum of positive squares in 2 ways, for example, as 24943192307856 + 36483242898496 = 4994316^2 + 6040136^2 .

It is a super-2 number, since 2×61426435206352² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61426435206296 and 61426435206305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51880434549 + ... + 51880435732.

Almost surely, 2^{61426435206352} is an apocalyptic number.

It is an amenable number.

61426435206352 is a deficient number, since it is larger than the sum of its proper divisors (60803869985844).

61426435206352 is a wasteful number, since it uses less digits than its factorization.

61426435206352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103760870326 (or 103760870320 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

Adding to 61426435206352 its reverse (25360253462416), we get a palindrome (86786688668768).

The spelling of 61426435206352 in words is "sixty-one trillion, four hundred twenty-six billion, four hundred thirty-five million, two hundred six thousand, three hundred fifty-two".