81051058948941 has 32 divisors (see below), whose sum is σ = 126414314928000. Its totient is φ = 51182487442944.

The previous prime is 81051058948913. The next prime is 81051058948991. The reversal of 81051058948941 is 14984985015018.

81051058948941 is a `hidden beast` number, since 8 + 1 + 0 + 5 + 1 + 0 + 589 + 4 + 8 + 9 + 41 = 666.

It is not a de Polignac number, because 81051058948941 - 2¹⁵ = 81051058916173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81051058948991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8378550 + ... + 15241463.

It is an arithmetic number, because the mean of its divisors is an integer number (3950447341500).

Almost surely, 2^{81051058948941} is an apocalyptic number.

It is an amenable number.

81051058948941 is a deficient number, since it is larger than the sum of its proper divisors (45363255979059).

81051058948941 is a wasteful number, since it uses less digits than its factorization.

81051058948941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23626730 (or 23626724 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 63.

The spelling of 81051058948941 in words is "eighty-one trillion, fifty-one billion, fifty-eight million, nine hundred forty-eight thousand, nine hundred forty-one".