61242414133 has 4 divisors (see below), whose sum is σ = 64844909100. Its totient is φ = 57639919168.

The previous prime is 61242414083. The next prime is 61242414139. The reversal of 61242414133 is 33141424216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28203171844 + 33039242289 = 167938^2 + 181767^2 .

It is a cyclic number.

It is not a de Polignac number, because 61242414133 - 2⁹ = 61242413621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61242414095 and 61242414104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61242414139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801247458 + ... + 1801247491.

It is an arithmetic number, because the mean of its divisors is an integer number (16211227275).

Almost surely, 2^61242414133 is an apocalyptic number.

It is an amenable number.

61242414133 is a deficient number, since it is larger than the sum of its proper divisors (3602494967).

61242414133 is a wasteful number, since it uses less digits than its factorization.

61242414133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602494966.

The product of its digits is 13824, while the sum is 31.

Adding to 61242414133 its reverse (33141424216), we get a palindrome (94383838349).

The spelling of 61242414133 in words is "sixty-one billion, two hundred forty-two million, four hundred fourteen thousand, one hundred thirty-three".