61411556065388 has 12 divisors (see below), whose sum is σ = 108254677298712. Its totient is φ = 30481648265760.

The previous prime is 61411556065369. The next prime is 61411556065427. The reversal of 61411556065388 is 88356065511416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56032441118 + ... + 56032442213.

It is an arithmetic number, because the mean of its divisors is an integer number (9021223108226).

Almost surely, 2^{61411556065388} is an apocalyptic number.

It is an amenable number.

61411556065388 is a deficient number, since it is larger than the sum of its proper divisors (46843121233324).

61411556065388 is a wasteful number, since it uses less digits than its factorization.

61411556065388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112064883472 (or 112064883470 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 59.

The spelling of 61411556065388 in words is "sixty-one trillion, four hundred eleven billion, five hundred fifty-six million, sixty-five thousand, three hundred eighty-eight".