61411242356 has 12 divisors (see below), whose sum is σ = 107938975620. Its totient is φ = 30571535040.

The previous prime is 61411242349. The next prime is 61411242377. The reversal of 61411242356 is 65324211416.

It can be written as a sum of positive squares in 2 ways, for example, as 43593264100 + 17817978256 = 208790^2 + 133484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33520505 + ... + 33522336.

It is an arithmetic number, because the mean of its divisors is an integer number (8994914635).

Almost surely, 2^61411242356 is an apocalyptic number.

It is an amenable number.

61411242356 is a deficient number, since it is larger than the sum of its proper divisors (46527733264).

61411242356 is a wasteful number, since it uses less digits than its factorization.

61411242356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67043074 (or 67043072 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The spelling of 61411242356 in words is "sixty-one billion, four hundred eleven million, two hundred forty-two thousand, three hundred fifty-six".