61881603810710 has 16 divisors (see below), whose sum is σ = 112070241996336. Its totient is φ = 24600784827168.

The previous prime is 61881603810703. The next prime is 61881603810727. The reversal of 61881603810710 is 1701830618816.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18982085429 + ... + 18982088688.

It is an arithmetic number, because the mean of its divisors is an integer number (7004390124771).

Almost surely, 2^{61881603810710} is an apocalyptic number.

61881603810710 is a deficient number, since it is larger than the sum of its proper divisors (50188638185626).

61881603810710 is a wasteful number, since it uses less digits than its factorization.

61881603810710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37964174287.

The product of its (nonzero) digits is 387072, while the sum is 50.

The spelling of 61881603810710 in words is "sixty-one trillion, eight hundred eighty-one billion, six hundred three million, eight hundred ten thousand, seven hundred ten".