81114265934 has 8 divisors (see below), whose sum is σ = 131030737320. Its totient is φ = 37437353496.

The previous prime is 81114265933. The next prime is 81114265951. The reversal of 81114265934 is 43956241118.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81114265933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559889704 + ... + 1559889755.

It is an arithmetic number, because the mean of its divisors is an integer number (16378842165).

Almost surely, 2^81114265934 is an apocalyptic number.

81114265934 is a deficient number, since it is larger than the sum of its proper divisors (49916471386).

81114265934 is a wasteful number, since it uses less digits than its factorization.

81114265934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119779474.

The product of its digits is 207360, while the sum is 44.

The spelling of 81114265934 in words is "eighty-one billion, one hundred fourteen million, two hundred sixty-five thousand, nine hundred thirty-four".