61136214750 has 192 divisors, whose sum is σ = 183600181440. Its totient is φ = 15048633600.

The previous prime is 61136214731. The next prime is 61136214767. The reversal of 61136214750 is 5741263116.

61136214750 is a `hidden beast` number, since 611 + 36 + 2 + 1 + 4 + 7 + 5 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 1113954 + ... + 1167546.

It is an arithmetic number, because the mean of its divisors is an integer number (956250945).

Almost surely, 2^61136214750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61136214750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91800090720).

61136214750 is an abundant number, since it is smaller than the sum of its proper divisors (122463966690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61136214750 is a wasteful number, since it uses less digits than its factorization.

61136214750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53645 (or 53616 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 61136214750 its reverse (5741263116), we get a palindrome (66877477866).

The spelling of 61136214750 in words is "sixty-one billion, one hundred thirty-six million, two hundred fourteen thousand, seven hundred fifty".