61450514052 has 12 divisors (see below), whose sum is σ = 143384532816. Its totient is φ = 20483504680.

The previous prime is 61450514051. The next prime is 61450514053. The reversal of 61450514052 is 25041505416.

It is an interprime number because it is at equal distance from previous prime (61450514051) and next prime (61450514053).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (61450514051) 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, 2560438074 + ... + 2560438097.

It is an arithmetic number, because the mean of its divisors is an integer number (11948711068).

Almost surely, 2^61450514052 is an apocalyptic number.

It is an amenable number.

61450514052 is an abundant number, since it is smaller than the sum of its proper divisors (81934018764).

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

61450514052 is a wasteful number, since it uses less digits than its factorization.

61450514052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120876178 (or 5120876176 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 61450514052 in words is "sixty-one billion, four hundred fifty million, five hundred fourteen thousand, fifty-two".