61411646506442 has 16 divisors (see below), whose sum is σ = 92179986454464. Its totient is φ = 30684985380000.

The previous prime is 61411646506297. The next prime is 61411646506453. The reversal of 61411646506442 is 24460564611416.

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, 130945067 + ... + 131413217.

It is an arithmetic number, because the mean of its divisors is an integer number (5761249153404).

Almost surely, 2^{61411646506442} is an apocalyptic number.

61411646506442 is a deficient number, since it is larger than the sum of its proper divisors (30768339948022).

61411646506442 is a wasteful number, since it uses less digits than its factorization.

61411646506442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512525.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 61411646506442 in words is "sixty-one trillion, four hundred eleven billion, six hundred forty-six million, five hundred six thousand, four hundred forty-two".