81046148290404 has 24 divisors (see below), whose sum is σ = 206299286557728. Its totient is φ = 24559438875840.

The previous prime is 81046148290391. The next prime is 81046148290469. The reversal of 81046148290404 is 40409284164018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306992985817 + ... + 306992986080.

It is an arithmetic number, because the mean of its divisors is an integer number (8595803606572).

Almost surely, 2^{81046148290404} is an apocalyptic number.

It is an amenable number.

81046148290404 is an abundant number, since it is smaller than the sum of its proper divisors (125253138267324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

81046148290404 is a wasteful number, since it uses less digits than its factorization.

81046148290404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613985971915 (or 613985971913 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 81046148290404 in words is "eighty-one trillion, forty-six billion, one hundred forty-eight million, two hundred ninety thousand, four hundred four".