61575818895361 has 8 divisors (see below), whose sum is σ = 62619599471040. Its totient is φ = 60532042407408.

The previous prime is 61575818895323. The next prime is 61575818895407. The reversal of 61575818895361 is 16359881857516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61575818895361 - 2⁴¹ = 59376795639809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61575818895961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58292875 + ... + 59339791.

It is an arithmetic number, because the mean of its divisors is an integer number (7827449933880).

Almost surely, 2^{61575818895361} is an apocalyptic number.

It is an amenable number.

61575818895361 is a deficient number, since it is larger than the sum of its proper divisors (1043780575679).

61575818895361 is a wasteful number, since it uses less digits than its factorization.

61575818895361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043863.

The product of its digits is 435456000, while the sum is 73.

The spelling of 61575818895361 in words is "sixty-one trillion, five hundred seventy-five billion, eight hundred eighteen million, eight hundred ninety-five thousand, three hundred sixty-one".