61053164723 has 4 divisors (see below), whose sum is σ = 61124240280. Its totient is φ = 60982089168.

The previous prime is 61053164719. The next prime is 61053164741. The reversal of 61053164723 is 32746135016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61053164723 - 2² = 61053164719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61053164743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35536490 + ... + 35538207.

It is an arithmetic number, because the mean of its divisors is an integer number (15281060070).

Almost surely, 2^61053164723 is an apocalyptic number.

61053164723 is a deficient number, since it is larger than the sum of its proper divisors (71075557).

61053164723 is an equidigital number, since it uses as much as digits as its factorization.

61053164723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71075556.

The product of its (nonzero) digits is 90720, while the sum is 38.

Adding to 61053164723 its reverse (32746135016), we get a palindrome (93799299739).

The spelling of 61053164723 in words is "sixty-one billion, fifty-three million, one hundred sixty-four thousand, seven hundred twenty-three".