61362550072 has 16 divisors (see below), whose sum is σ = 115548582240. Its totient is φ = 30549594816.

The previous prime is 61362550049. The next prime is 61362550079. The reversal of 61362550072 is 27005526316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61362550079) by changing a digit.

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, 16458048 + ... + 16461775.

It is an arithmetic number, because the mean of its divisors is an integer number (7221786390).

Almost surely, 2^61362550072 is an apocalyptic number.

It is an amenable number.

61362550072 is a deficient number, since it is larger than the sum of its proper divisors (54186032168).

61362550072 is a wasteful number, since it uses less digits than its factorization.

61362550072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32920062 (or 32920058 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 61362550072 in words is "sixty-one billion, three hundred sixty-two million, five hundred fifty thousand, seventy-two".