81053628002313 has 8 divisors (see below), whose sum is σ = 108074649319776. Its totient is φ = 54034179343200.

The previous prime is 81053628002299. The next prime is 81053628002327. The reversal of 81053628002313 is 31320082635018.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (81053628002299) and next prime (81053628002327).

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

It is not a de Polignac number, because 81053628002313 - 2⁸ = 81053628002057 is a prime.

It is a super-2 number, since 2×81053628002313² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (81053628009313) 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, 393044323 + ... + 393250488.

It is an arithmetic number, because the mean of its divisors is an integer number (13509331164972).

Almost surely, 2^{81053628002313} is an apocalyptic number.

It is an amenable number.

81053628002313 is a deficient number, since it is larger than the sum of its proper divisors (27021021317463).

81053628002313 is a wasteful number, since it uses less digits than its factorization.

81053628002313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786329175.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 81053628002313 in words is "eighty-one trillion, fifty-three billion, six hundred twenty-eight million, two thousand, three hundred thirteen".