61025205723 has 16 divisors (see below), whose sum is σ = 82410249600. Its totient is φ = 40165087680.

The previous prime is 61025205721. The next prime is 61025205799. The reversal of 61025205723 is 32750252016.

It is not a de Polignac number, because 61025205723 - 2¹ = 61025205721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61025205721) 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, 334138 + ... + 483423.

It is an arithmetic number, because the mean of its divisors is an integer number (5150640600).

Almost surely, 2^61025205723 is an apocalyptic number.

61025205723 is a deficient number, since it is larger than the sum of its proper divisors (21385043877).

61025205723 is a wasteful number, since it uses less digits than its factorization.

61025205723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817882.

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 61025205723 its reverse (32750252016), we get a palindrome (93775457739).

The spelling of 61025205723 in words is "sixty-one billion, twenty-five million, two hundred five thousand, seven hundred twenty-three".