61285100738223 has 16 divisors (see below), whose sum is σ = 82870268472576. Its totient is φ = 40281828282240.

The previous prime is 61285100738207. The next prime is 61285100738263. The reversal of 61285100738223 is 32283700158216.

It is not a de Polignac number, because 61285100738223 - 2⁴ = 61285100738207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61285100738263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436788138 + ... + 436928423.

It is an arithmetic number, because the mean of its divisors is an integer number (5179391779536).

Almost surely, 2^{61285100738223} is an apocalyptic number.

61285100738223 is a deficient number, since it is larger than the sum of its proper divisors (21585167734353).

61285100738223 is a wasteful number, since it uses less digits than its factorization.

61285100738223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873716894.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 61285100738223 in words is "sixty-one trillion, two hundred eighty-five billion, one hundred million, seven hundred thirty-eight thousand, two hundred twenty-three".