61544036002 has 16 divisors (see below), whose sum is σ = 95506464960. Its totient is φ = 29708705488.

The previous prime is 61544035979. The next prime is 61544036027. The reversal of 61544036002 is 20063044516.

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 7 ways as a sum of consecutive naturals, for example, 967173 + ... + 1028839.

It is an arithmetic number, because the mean of its divisors is an integer number (5969154060).

Almost surely, 2^61544036002 is an apocalyptic number.

61544036002 is a deficient number, since it is larger than the sum of its proper divisors (33962428958).

61544036002 is a wasteful number, since it uses less digits than its factorization.

61544036002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78905.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 61544036002 in words is "sixty-one billion, five hundred forty-four million, thirty-six thousand, two".