51426661004106 has 32 divisors (see below), whose sum is σ = 102949217699328. Its totient is φ = 17126242758000.

The previous prime is 51426661004083. The next prime is 51426661004111. The reversal of 51426661004106 is 60140016662415.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40407981 + ... + 41661231.

It is an arithmetic number, because the mean of its divisors is an integer number (3217163053104).

Almost surely, 2^{51426661004106} is an apocalyptic number.

51426661004106 is an abundant number, since it is smaller than the sum of its proper divisors (51522556695222).

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

51426661004106 is a wasteful number, since it uses less digits than its factorization.

51426661004106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259626.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 51426661004106 in words is "fifty-one trillion, four hundred twenty-six billion, six hundred sixty-one million, four thousand, one hundred six".