81094819626311 has 4 divisors (see below), whose sum is σ = 81095019799272. Its totient is φ = 81094619453352.

The previous prime is 81094819626151. The next prime is 81094819626323. The reversal of 81094819626311 is 11362691849018.

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 81094819626311 - 2²⁶ = 81094752517447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81094819626811) 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, 99477560 + ... + 100289453.

It is an arithmetic number, because the mean of its divisors is an integer number (20273754949818).

Almost surely, 2^{81094819626311} is an apocalyptic number.

81094819626311 is a deficient number, since it is larger than the sum of its proper divisors (200172961).

81094819626311 is a wasteful number, since it uses less digits than its factorization.

81094819626311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200172960.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The spelling of 81094819626311 in words is "eighty-one trillion, ninety-four billion, eight hundred nineteen million, six hundred twenty-six thousand, three hundred eleven".