61511152342 has 8 divisors (see below), whose sum is σ = 92416271256. Its totient is φ = 30705728592.

The previous prime is 61511152337. The next prime is 61511152361. The reversal of 61511152342 is 24325111516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24922248 + ... + 24924715.

It is an arithmetic number, because the mean of its divisors is an integer number (11552033907).

Almost surely, 2^61511152342 is an apocalyptic number.

61511152342 is a deficient number, since it is larger than the sum of its proper divisors (30905118914).

61511152342 is a wasteful number, since it uses less digits than its factorization.

61511152342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49847582.

The product of its digits is 7200, while the sum is 31.

Adding to 61511152342 its reverse (24325111516), we get a palindrome (85836263858).

The spelling of 61511152342 in words is "sixty-one billion, five hundred eleven million, one hundred fifty-two thousand, three hundred forty-two".