811478812101 has 8 divisors (see below), whose sum is σ = 1081995022944. Its totient is φ = 540974238000.

The previous prime is 811478812091. The next prime is 811478812117. The reversal of 811478812101 is 101218874118.

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

It is not a de Polignac number, because 811478812101 - 2⁵ = 811478812069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811478812181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745150 + ... + 3026351.

It is an arithmetic number, because the mean of its divisors is an integer number (135249377868).

Almost surely, 2^811478812101 is an apocalyptic number.

It is an amenable number.

811478812101 is a deficient number, since it is larger than the sum of its proper divisors (270516210843).

811478812101 is a wasteful number, since it uses less digits than its factorization.

811478812101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818371.

The product of its (nonzero) digits is 28672, while the sum is 42.

The spelling of 811478812101 in words is "eight hundred eleven billion, four hundred seventy-eight million, eight hundred twelve thousand, one hundred one".