61393530004065 has 160 divisors (see below), whose sum is σ = 126414001697280. Its totient is φ = 27923318148096.

The previous prime is 61393530004039. The next prime is 61393530004099. The reversal of 61393530004065 is 56040003539316.

61393530004065 is a `hidden beast` number, since 6 + 13 + 9 + 3 + 530 + 0 + 0 + 40 + 65 = 666.

It is not a de Polignac number, because 61393530004065 - 2⁸ = 61393530003809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61393530004065.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 939381429 + ... + 939446781.

It is an arithmetic number, because the mean of its divisors is an integer number (790087510608).

Almost surely, 2^{61393530004065} is an apocalyptic number.

It is an amenable number.

61393530004065 is an abundant number, since it is smaller than the sum of its proper divisors (65020471693215).

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

61393530004065 is a wasteful number, since it uses less digits than its factorization.

61393530004065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67053 (or 67044 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The spelling of 61393530004065 in words is "sixty-one trillion, three hundred ninety-three billion, five hundred thirty million, four thousand, sixty-five".