81204611014 has 8 divisors (see below), whose sum is σ = 122198579568. Its totient is φ = 40471751160.

The previous prime is 81204610987. The next prime is 81204611021. The reversal of 81204611014 is 41011640218.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65276397 + ... + 65277640.

It is an arithmetic number, because the mean of its divisors is an integer number (15274822446).

Almost surely, 2^81204611014 is an apocalyptic number.

81204611014 is a deficient number, since it is larger than the sum of its proper divisors (40993968554).

81204611014 is a wasteful number, since it uses less digits than its factorization.

81204611014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130554350.

The product of its (nonzero) digits is 1536, while the sum is 28.

The spelling of 81204611014 in words is "eighty-one billion, two hundred four million, six hundred eleven thousand, fourteen".