61501334852 has 6 divisors (see below), whose sum is σ = 107627335998. Its totient is φ = 30750667424.

The previous prime is 61501334827. The next prime is 61501334953. The reversal of 61501334852 is 25843310516.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60287927296 + 1213407556 = 245536^2 + 34834^2 .

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 as a sum of consecutive naturals, namely, 7687666853 + ... + 7687666860.

It is an arithmetic number, because the mean of its divisors is an integer number (17937889333).

Almost surely, 2^61501334852 is an apocalyptic number.

It is an amenable number.

61501334852 is a deficient number, since it is larger than the sum of its proper divisors (46126001146).

61501334852 is a wasteful number, since it uses less digits than its factorization.

61501334852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15375333717 (or 15375333715 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 61501334852 in words is "sixty-one billion, five hundred one million, three hundred thirty-four thousand, eight hundred fifty-two".